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CERTFR-2026-AVI-0408
Vulnerability from certfr_avis - Published: 2026-04-09 - Updated: 2026-04-09
De multiples vulnérabilités ont été découvertes dans les produits Juniper Networks. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, une élévation de privilèges et un déni de service à distance.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| Juniper Networks | N/A | Junos OS versions 24.2 antérieures à 24.2R2-S4 sur SRX Series et MX Series | ||
| Juniper Networks | N/A | Junos OS versions 24.4R2 antérieures à 24.4R2-S3 | ||
| Juniper Networks | N/A | Junos OS Evolved versions 23.4-EVO antérieures à 23.4R2-S8-EVO | ||
| Juniper Networks | N/A | Junos OS versions 22.4 antérieures à 22.4R3-S9 sur SRX Series | ||
| Juniper Networks | N/A | Junos OS Evolved versions 22.4R3 antérieures à 22.4R3-S8-EVO | ||
| Juniper Networks | N/A | Junos OS Evolved versions antérieures à 21.2R3-S8-EVO sur PTX10004, PTX10008, PTX100016 avec JNP10K-LC1201 ou JNP10K-LC1202 | ||
| Juniper Networks | N/A | Junos OS versions 24.4R1 antérieures à 24.4R1-S3 | ||
| Juniper Networks | N/A | Junos OS Evolved versions 24.4R1-EVO antérieures à 24.4R1-S3-EVO | ||
| Juniper Networks | N/A | Junos OS versions 21.4 antérieures à 21.4R3-S12 sur SRX Series | ||
| Juniper Networks | N/A | Junos OS Evolved versions 21.4-EVO antérieures à 21.4R3-S7-EVO sur PTX10004, PTX10008, PTX100016 avec JNP10K-LC1201 ou JNP10K-LC1202 | ||
| Juniper Networks | N/A | Junos OS versions 23.4 antérieures à 23.4R2-S7 | ||
| Juniper Networks | N/A | Junos OS versions 24.2 antérieures à 24.2R2-S3 sur SRX Series | ||
| Juniper Networks | N/A | Junos OS versions antérieures à 23.2R2-S6 sur SRX Series et MX Series | ||
| Juniper Networks | N/A | Junos OS Evolved versions 22.3-EVO antérieures à 22.3R3-S3-EVO sur PTX10004, PTX10008, PTX100016 avec JNP10K-LC1201 ou JNP10K-LC1202 | ||
| Juniper Networks | N/A | Junos OS Evolved versions 22.4R3 antérieures à 22.4R3-S9-EVO sur PTX Series | ||
| Juniper Networks | N/A | Junos OS versions 23.4 antérieures à 23.4R2-S7 sur SRX Series | ||
| Juniper Networks | N/A | Junos OS versions 25.2R2 antérieures à 25.2R2 | ||
| Juniper Networks | N/A | Junos OS versions 25.2R1 antérieures à 25.2R1-S2 | ||
| Juniper Networks | N/A | Junos OS versions antérieures à 23.4R2-S7 sur SRX Series et MX Series | ||
| Juniper Networks | N/A | Junos OS versions 24.2R2 antérieures à 24.2R2-S4 | ||
| Juniper Networks | N/A | Junos OS versions 23.2 antérieures à 23.2R2-S6 sur SRX Series | ||
| Juniper Networks | N/A | Junos OS Evolved versions 25.2R2-EVO antérieures à 25.2R2-EVO | ||
| Juniper Networks | N/A | Junos OS Evolved versions 24.2-EVO antérieures à 24.2R2-S4-EVO | ||
| Juniper Networks | N/A | Junos OS Evolved versions 22.4-EVO antérieures à 22.4R3-S2-EVO sur PTX10004, PTX10008, PTX100016 avec JNP10K-LC1201 ou JNP10K-LC1202 | ||
| Juniper Networks | N/A | Junos OS versions 21.2R3 antérieures à 21.2R3-S10 sur SRX Series | ||
| Juniper Networks | N/A | Junos OS versions 22.4 antérieures à 22.4R3-S9 sur SRX Series et MX Series | ||
| Juniper Networks | N/A | Junos OS versions 25.2 antérieures à 25.2R2 sur SRX Series et MX Series | ||
| Juniper Networks | N/A | Junos OS Evolved versions 23.2-EVO antérieures à 23.2R2-S5-EVO | ||
| Juniper Networks | N/A | Junos OS versions 23.2R2 antérieures à 23.2R2-S7 | ||
| Juniper Networks | N/A | JSI vLWC versions antérieures à 3.0.94 | ||
| Juniper Networks | N/A | Junos OS Evolved versions 23.2-EVO antérieures à 23.2R2-S6-EVO sur PTX Series | ||
| Juniper Networks | N/A | Junos OS Evolved versions 23.2-EVO antérieures à 23.2R2-EVO sur PTX10004, PTX10008, PTX100016 avec JNP10K-LC1201 ou JNP10K-LC1202 | ||
| Juniper Networks | N/A | Junos OS versions 22.2 antérieures à 22.2R3-S8 sur SRX Series | ||
| Juniper Networks | N/A | Junos OS versions 22.4R3 antérieures à 22.4R3-S9 | ||
| Juniper Networks | N/A | Junos OS Evolved versions 25.2R1-EVO antérieures à 25.2R1-S2-EVO | ||
| Juniper Networks | N/A | Junos OS Evolved versions 24.4R2-EVO antérieures à 24.4R2-S3-EVO | ||
| Juniper Networks | N/A | Junos OS Evolved versions 22.2-EVO antérieures à 22.2R3-S4-EVO sur PTX10004, PTX10008, PTX100016 avec JNP10K-LC1201 ou JNP10K-LC1202 |
References
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Junos OS versions 24.2 ant\u00e9rieures \u00e0 24.2R2-S4 sur SRX Series et MX Series",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS versions 24.4R2 ant\u00e9rieures \u00e0 24.4R2-S3",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS Evolved versions 23.4-EVO ant\u00e9rieures \u00e0 23.4R2-S8-EVO",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS versions 22.4 ant\u00e9rieures \u00e0 22.4R3-S9 sur SRX Series ",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS Evolved versions 22.4R3 ant\u00e9rieures \u00e0 22.4R3-S8-EVO",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS Evolved versions ant\u00e9rieures \u00e0 21.2R3-S8-EVO sur PTX10004, PTX10008, PTX100016 avec JNP10K-LC1201 ou JNP10K-LC1202",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS versions 24.4R1 ant\u00e9rieures \u00e0 24.4R1-S3",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS Evolved versions 24.4R1-EVO ant\u00e9rieures \u00e0 24.4R1-S3-EVO",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS versions 21.4 ant\u00e9rieures \u00e0 21.4R3-S12 sur SRX Series ",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS Evolved versions 21.4-EVO ant\u00e9rieures \u00e0 21.4R3-S7-EVO sur PTX10004, PTX10008, PTX100016 avec JNP10K-LC1201 ou JNP10K-LC1202",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS versions 23.4 ant\u00e9rieures \u00e0 23.4R2-S7",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS versions 24.2 ant\u00e9rieures \u00e0 24.2R2-S3 sur SRX Series ",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS versions ant\u00e9rieures \u00e0 23.2R2-S6 sur SRX Series et MX Series",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS Evolved versions 22.3-EVO ant\u00e9rieures \u00e0 22.3R3-S3-EVO sur PTX10004, PTX10008, PTX100016 avec JNP10K-LC1201 ou JNP10K-LC1202",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS Evolved versions 22.4R3 ant\u00e9rieures \u00e0 22.4R3-S9-EVO sur PTX Series ",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS versions 23.4 ant\u00e9rieures \u00e0 23.4R2-S7 sur SRX Series ",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS versions 25.2R2 ant\u00e9rieures \u00e0 25.2R2",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS versions 25.2R1 ant\u00e9rieures \u00e0 25.2R1-S2",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS versions ant\u00e9rieures \u00e0 23.4R2-S7 sur SRX Series et MX Series",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS versions 24.2R2 ant\u00e9rieures \u00e0 24.2R2-S4",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS versions 23.2 ant\u00e9rieures \u00e0 23.2R2-S6 sur SRX Series ",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS Evolved versions 25.2R2-EVO ant\u00e9rieures \u00e0 25.2R2-EVO",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS Evolved versions 24.2-EVO ant\u00e9rieures \u00e0 24.2R2-S4-EVO",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS Evolved versions 22.4-EVO ant\u00e9rieures \u00e0 22.4R3-S2-EVO sur PTX10004, PTX10008, PTX100016 avec JNP10K-LC1201 ou JNP10K-LC1202",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS versions 21.2R3 ant\u00e9rieures \u00e0 21.2R3-S10 sur SRX Series ",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS versions 22.4 ant\u00e9rieures \u00e0 22.4R3-S9 sur SRX Series et MX Series",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS versions 25.2 ant\u00e9rieures \u00e0 25.2R2 sur SRX Series et MX Series",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS Evolved versions 23.2-EVO ant\u00e9rieures \u00e0 23.2R2-S5-EVO",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS versions 23.2R2 ant\u00e9rieures \u00e0 23.2R2-S7",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": " JSI vLWC versions ant\u00e9rieures \u00e0 3.0.94",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS Evolved versions 23.2-EVO ant\u00e9rieures \u00e0 23.2R2-S6-EVO sur PTX Series",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS Evolved versions 23.2-EVO ant\u00e9rieures \u00e0 23.2R2-EVO sur PTX10004, PTX10008, PTX100016 avec JNP10K-LC1201 ou JNP10K-LC1202",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS versions 22.2 ant\u00e9rieures \u00e0 22.2R3-S8 sur SRX Series ",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS versions 22.4R3 ant\u00e9rieures \u00e0 22.4R3-S9",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS Evolved versions 25.2R1-EVO ant\u00e9rieures \u00e0 25.2R1-S2-EVO",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS Evolved versions 24.4R2-EVO ant\u00e9rieures \u00e0 24.4R2-S3-EVO",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
},
{
"description": "Junos OS Evolved versions 22.2-EVO ant\u00e9rieures \u00e0 22.2R3-S4-EVO sur PTX10004, PTX10008, PTX100016 avec JNP10K-LC1201 ou JNP10K-LC1202",
"product": {
"name": "N/A",
"vendor": {
"name": "Juniper Networks",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-33773",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33773"
},
{
"name": "CVE-2026-33785",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33785"
},
{
"name": "CVE-2026-33780",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33780"
},
{
"name": "CVE-2022-24805",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-24805"
},
{
"name": "CVE-2026-21919",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-21919"
},
{
"name": "CVE-2026-33771",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33771"
},
{
"name": "CVE-2025-30650",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-30650"
},
{
"name": "CVE-2026-33797",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33797"
},
{
"name": "CVE-2026-33779",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33779"
},
{
"name": "CVE-2025-13914",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-13914"
},
{
"name": "CVE-2026-33784",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33784"
},
{
"name": "CVE-2026-33786",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33786"
},
{
"name": "CVE-2026-33776",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33776"
},
{
"name": "CVE-2026-21916",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-21916"
},
{
"name": "CVE-2026-33781",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33781"
},
{
"name": "CVE-2026-33787",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33787"
},
{
"name": "CVE-2026-33778",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33778"
},
{
"name": "CVE-2026-33791",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33791"
},
{
"name": "CVE-2026-33790",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33790"
},
{
"name": "CVE-2026-33783",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33783"
},
{
"name": "CVE-2026-33774",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33774"
},
{
"name": "CVE-2026-33775",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33775"
},
{
"name": "CVE-2026-33788",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33788"
},
{
"name": "CVE-2026-33782",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33782"
},
{
"name": "CVE-2026-21915",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-21915"
}
],
"initial_release_date": "2026-04-09T00:00:00",
"last_revision_date": "2026-04-09T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0408",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-04-09T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
},
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
},
{
"description": "\u00c9l\u00e9vation de privil\u00e8ges"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans les produits Juniper Networks. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire \u00e0 distance, une \u00e9l\u00e9vation de privil\u00e8ges et un d\u00e9ni de service \u00e0 distance.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits Juniper Networks",
"vendor_advisories": [
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA107868",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-SRX-Series-MX-Series-When-a-specifically-malformed-first-ISAKMP-packet-is-received-kmd-iked-crashes-CVE-2026-33778"
},
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA107864",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-CTP-OS-Configuring-password-requirements-does-not-work-which-permits-the-use-of-weak-passwords-CVE-2026-33771"
},
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA107863",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-Privileged-local-user-can-gain-access-to-a-Linux-based-FPC-as-root-CVE-2025-30650"
},
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA107823",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-SRX-Series-Insufficient-certificate-verification-for-device-to-SD-cloud-communication-CVE-2026-33779"
},
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA107822",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-CVE-2022-24805-resolved-in-net-SNMP"
},
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA107872",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-MX-Series-Missing-Authorization-for-specific-request-CLI-commands-in-a-JDM-CSDS-scenario-CVE-2026-33785"
},
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA107869",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-EX-Series-QFX-Series-In-a-VXLAN-scenario-when-specific-control-protocol-packets-are-received-memory-leaks-and-eventually-no-traffic-is-passed-CVE-2026-33781"
},
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA107821",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-MX-Series-Mismatch-between-configured-and-received-packet-types-causes-memory-leak-in-bbe-smgd-CVE-2026-33775"
},
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA107865",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-MX-Series-Firewall-filters-on-lo0-non-0-in-the-default-routing-instance-are-not-in-effect-CVE-2026-33774"
},
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA107810",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-SRX1600-SRX2300-SRX4300-When-a-specific-show-command-is-executed-chassisd-crashes-CVE-2026-33786"
},
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA107871",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-vLWC-Default-password-is-not-required-to-be-changed-which-allows-unauthorized-high-privileged-access-CVE-2026-33784"
},
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA107820",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-MX-Series-In-specific-DHCPv6-scenarios-jdhcpd-memory-increases-continuously-with-subscriber-logouts-CVE-2026-33782"
},
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA107815",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-EX-Series-QFX-Series-If-the-same-egress-filter-is-configured-on-both-an-IRB-and-a-physical-interface-one-of-those-is-not-applied-CVE-2026-33773"
},
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA106019",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-A-high-frequency-of-connecting-and-disconnecting-netconf-sessions-causes-management-unavailability-CVE-2026-21919"
},
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA107850",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-An-attacker-sending-a-specific-genuine-BGP-packet-causes-a-BGP-reset-CVE-2026-33797"
},
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA107866",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Specific-low-privileged-CLI-command-exposes-sensitive-information-CVE-2026-33776"
},
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA107873",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-SRX1500-SRX4100-SRX4200-SRX4600-When-a-specific-show-command-is-executed-chassisd-crashes-CVE-2026-33787"
},
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA107874",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-SRX-Series-In-a-NAT64-configuration-receipt-of-a-specific-malformed-ICMPv6-packet-will-cause-the-srxpfe-process-to-crash-and-restart-CVE-2026-33790"
},
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA107875",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Execution-of-crafted-CLI-commands-allows-for-arbitrary-shell-injection-as-root-CVE-2026-33791"
},
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA107807",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-A-low-privileged-user-can-escalate-their-privileges-so-that-they-can-login-as-root-CVE-2026-21916"
},
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA107806",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-Evolved-Local-authenticated-attackers-can-gain-access-to-FPCs-CVE-2026-33788"
},
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA106016",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-JSI-Virtual-Lightweight-Collector-Shell-escape-allows-privilege-escalation-to-root-CVE-2026-21915"
},
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA107819",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-In-an-EVPN-MPLS-scenario-churn-of-ESI-routes-causes-a-memory-leak-in-l2ald-CVE-2026-33780"
},
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA107862",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Apstra-SSH-host-key-validation-vulnerability-for-managed-devices-CVE-2025-13914"
},
{
"published_at": "2026-04-08",
"title": "Bulletin de s\u00e9curit\u00e9 Juniper Networks JSA107870",
"url": "https://supportportal.juniper.net/s/article/2026-04-Security-Bulletin-Junos-OS-Evolved-PTX-Series-If-SRTE-tunnels-provisioned-via-PCEP-are-present-and-specific-gRPC-queries-are-received-evo-aftman-crashes-CVE-2026-33783"
}
]
}
CVE-2026-21919 (GCVE-0-2026-21919)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:26 – Updated: 2026-04-09 21:26
VLAI?
EPSS
Title
Junos OS and Junos OS Evolved: A high frequency of connecting and disconnecting NETCONF sessions causes management unavailability
Summary
An Incorrect Synchronization vulnerability in the management daemon (mgd) of Juniper Networks Junos OS and Junos OS Evolved allows a network-based attacker with low privileges to cause a complete Denial-of-Service (DoS) of the management plane.
When NETCONF sessions are quickly established and disconnected, a locking issue causes mgd processes to hang in an unusable state. When the maximum number of mgd processes has been reached, no new logins are possible. This leads to the inability to manage the device and requires a power-cycle to recover.
This issue can be monitored by checking for mgd processes in lockf state in the output of 'show system processes extensive':
user@host> show system processes extensive | match mgd
<pid> root 20 0 501M 4640K lockf 1 0:01 0.00% mgd
If the system still can be accessed (either via the CLI or as root, which might still be possible as last resort as this won't invoke mgd), mgd processes in this state can be killed with 'request system process terminate <PID>' from the CLI or with 'kill -9 <PID>' from the shell.
This issue affects:
Junos OS:
* 23.4 versions before 23.4R2-S4,
* 24.2 versions before 24.2R2-S1,
* 24.4 versions before 24.4R1-S3, 24.4R2;
This issue does not affect Junos OS versions before 23.4R1;
Junos OS Evolved:
* 23.4 versions before 23.4R2-S5-EVO,
* 24.2 versions before 24.2R2-S1-EVO,
* 24.4 versions before 24.4R1-S3-EVO, 24.4R2-EVO.
This issue does not affect Junos OS Evolved versions before 23.4R1-EVO;
Severity ?
CWE
- CWE-821 - Incorrect Synchronization
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
23.4 , < 23.4R2-S4
(semver)
Affected: 24.2 , < 24.2R2-S1 (semver) Affected: 24.4 , < 24.4R1-S3, 24.4R2 (semver) Unaffected: all version prior to , < 23.4R1 (semver) |
|||||||
|
|||||||||
Date Public ?
2026-04-08 16:00
{
"containers": {
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"affected": [
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"configurations": [
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"value": "To be exposed to this issue the device needs to be configured for NETCONF as follows:\u003cbr\u003e\u003cbr\u003e\u003ctt\u003e[ system services\u0026nbsp;netconf ... ]\u003c/tt\u003e"
}
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"datePublic": "2026-04-08T16:00:00.000Z",
"descriptions": [
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"value": "An Incorrect Synchronization vulnerability in the management daemon (mgd) of Juniper Networks Junos OS and Junos OS Evolved allows a network-based attacker with low privileges to cause a complete Denial-of-Service (DoS) of the management plane.\u003cbr\u003e\u003cbr\u003eWhen NETCONF sessions are quickly established and disconnected, a locking issue causes mgd processes to hang in an unusable state. When the maximum number of mgd processes has been reached, no new logins are possible. This leads to the inability to manage the device and requires a power-cycle to recover.\u003cbr\u003e\u003cbr\u003eThis issue can be monitored by checking for mgd processes in lockf state in the output of \u0027show system processes extensive\u0027:\u003cbr\u003e\u003cbr\u003e\u003ctt\u003euser@host\u0026gt; show system processes extensive | match mgd\u003cbr\u003e\u0026lt;pid\u0026gt; root \u0026nbsp; \u0026nbsp; \u0026nbsp; 20 \u0026nbsp; 0 501M 4640K lockf \u0026nbsp; 1 0:01 0.00% mgd\u003c/tt\u003e\u003cp\u003e\u003cbr\u003e\u003c/p\u003e\u003cp\u003eIf the system still can be accessed (either via the CLI or as root, which might still be possible as last resort as this won\u0027t invoke mgd), mgd processes in this state can be killed with \u0027request system process terminate \u0026lt;PID\u0026gt;\u0027 from the CLI or with \u0027kill -9 \u0026lt;PID\u0026gt;\u0027 from the shell.\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003cbr\u003e\u003c/p\u003e\u003cp\u003eThis issue affects:\u003c/p\u003e\u003cp\u003eJunos OS:\u003c/p\u003e\u003cul\u003e\u003cli\u003e23.4 versions before 23.4R2-S4,\u003c/li\u003e\u003cli\u003e24.2 versions before 24.2R2-S1,\u003c/li\u003e\u003cli\u003e24.4 versions before 24.4R1-S3, 24.4R2;\u003c/li\u003e\u003c/ul\u003e\n\n\u003cp\u003eThis issue does not affect Junos OS versions before 23.4R1;\u003c/p\u003e\n\n\u003cp\u003eJunos OS Evolved:\u003c/p\u003e\u003cul\u003e\u003cli\u003e23.4 versions before 23.4R2-S5-EVO,\u003c/li\u003e\u003cli\u003e24.2 versions before 24.2R2-S1-EVO,\u003c/li\u003e\u003cli\u003e24.4 versions before 24.4R1-S3-EVO, 24.4R2-EVO.\u003c/li\u003e\u003c/ul\u003e\u003cp\u003e\n\n\u003c/p\u003e\u003cp\u003eThis issue does not affect Junos OS Evolved versions before 23.4R1-EVO;\u003c/p\u003e\n\n\n\n\u003cbr\u003e"
}
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}
],
"exploits": [
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"supportingMedia": [
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"value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
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}
],
"metrics": [
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"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"url": "https://kb.juniper.net/JSA106019"
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"solutions": [
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"title": "Junos OS and Junos OS Evolved: A high frequency of connecting and disconnecting NETCONF sessions causes management unavailability",
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"datePublished": "2026-04-09T21:26:46.081Z",
"dateReserved": "2026-01-05T17:32:48.711Z",
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CVE-2026-33771 (GCVE-0-2026-33771)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:33 – Updated: 2026-04-09 21:33
VLAI?
EPSS
Title
CTP OS: Configuring password requirements does not work which permits the use of weak passwords
Summary
A Weak Password Requirements vulnerability in the password management function of Juniper Networks CTP OS might allow an unauthenticated, network-based attacker to exploit weak passwords of local accounts and potentially take full control of the device.
The password management menu enables the administrator to set password complexity requirements, but these settings are not saved. The issue can be verified with the menu option "Show password requirements". Failure to enforce the intended requirements can lead to weak passwords being used, which significantly increases the likelihood that an attacker can guess these and subsequently attain unauthorized access.
This issue affects CTP OS versions 9.2R1 and 9.2R2.
Severity ?
CWE
- CWE-521 - Weak Password Requirements
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Juniper Networks | CTP OS |
Affected:
9.2R1 , ≤ 9.2R2
(semver)
|
Date Public ?
2026-04-08 04:00
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "CTP OS",
"vendor": "Juniper Networks",
"versions": [
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"lessThanOrEqual": "9.2R2",
"status": "affected",
"version": "9.2R1",
"versionType": "semver"
}
]
}
],
"datePublic": "2026-04-08T04:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
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CVE-2026-33780 (GCVE-0-2026-33780)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:29 – Updated: 2026-04-09 21:29
VLAI?
EPSS
Title
Junos OS and Junos OS Evolved: In an EVPN-MPLS scenario churn of ESI routes causes a memory leak in l2ald
Summary
A Missing Release of Memory after Effective Lifetime vulnerability in the Layer 2 Address Learning Daemon (l2ald) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker to cause a memory leak ultimately leading to a Denial of Service (DoS).
In an EVPN-MPLS scenario, routes learned from remote multi-homed Provider Edge (PE) devices are programmed as ESI routes. Due to a logic issue in the l2ald memory management, memory allocated for these routes is not released when there is churn for these routes. As a result, memory leaks in the l2ald process which will ultimately lead to a crash and restart of l2ald.
Use the following command to monitor the memory consumption by l2ald:
user@device> show system process extensive | match "PID|l2ald"
This issue affects:
Junos OS:
* all versions before 22.4R3-S5,
* 23.2 versions before 23.2R2-S3,
* 23.4 versions before 23.4R2-S4,
* 24.2 versions before 24.2R2;
Junos OS Evolved:
* all versions before 22.4R3-S5-EVO,
* 23.2 versions before 23.2R2-S3-EVO,
* 23.4 versions before 23.4R2-S4-EVO,
* 24.2 versions before 24.2R2-EVO.
Severity ?
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 22.4R3-S5
(semver)
Affected: 23.2 , < 23.2R2-S3 (semver) Affected: 23.4 , < 23.4R2-S4 (semver) Affected: 24.2 , < 24.2R2 (semver) |
|||||||
|
|||||||||
Date Public ?
2026-04-08 16:00
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CVE-2026-33784 (GCVE-0-2026-33784)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:36 – Updated: 2026-04-09 21:36
VLAI?
EPSS
Title
JSI Virtual Lightweight Collector: Default password is not required to be changed which allows unauthorized high-privileged access
Summary
A Use of Default Password vulnerability in the Juniper Networks
Support Insights (JSI)
Virtual Lightweight Collector (vLWC) allows an unauthenticated, network-based attacker to take full control of the device.
vLWC software images ship with an initial password for a high privileged account. A change of this password is not enforced during the provisioning of the software, which can make full access to the system by unauthorized actors possible.This issue affects all versions of vLWC before 3.0.94.
Severity ?
9.8 (Critical)
CWE
- CWE-1393 - Use of Default Password
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Juniper Networks | JSI LWC |
Affected:
0 , < 3.0.94
(semver)
|
Date Public ?
2026-04-08 16:00
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CVE-2026-33782 (GCVE-0-2026-33782)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:29 – Updated: 2026-04-09 21:29
VLAI?
EPSS
Title
Junos OS: MX Series: In specific DHCPv6 scenarios jdhcpd memory increases continuously with subscriber logouts
Summary
A Missing Release of Memory after Effective Lifetime vulnerability in the DHCP daemon (jdhcpd) of Juniper Networks Junos OS on MX Series, allows an adjacent, unauthenticated attacker to cause a memory leak, that will eventually cause a complete Denial-of-Service (DoS).
In a DHCPv6 over PPPoE, or DHCPv6 over VLAN with Active lease query or Bulk lease query scenario, every subscriber logout will leak a small amount of memory. When all available memory has been exhausted, jdhcpd will crash and restart which causes a complete service impact until the process has recovered.
The memory usage of jdhcpd can be monitored with:
user@host> show system processes extensive | match jdhcpd
This issue affects Junos OS:
* all versions before 22.4R3-S1,
* 23.2 versions before 23.2R2,
* 23.4 versions before 23.4R2.
Severity ?
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 22.4R3-S1
(semver)
Affected: 23.2 , < 23.2R2 (semver) Affected: 23.4 , < 23.4R2 (semver) |
Date Public ?
2026-04-08 16:00
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CVE-2025-13914 (GCVE-0-2025-13914)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:32 – Updated: 2026-04-09 21:32
VLAI?
EPSS
Title
Apstra: SSH host key validation vulnerability for managed devices
Summary
A Key Exchange without Entity Authentication vulnerability in the SSH implementation of Juniper Networks Apstra allows a unauthenticated, MITM
attacker to impersonate managed devices.
Due to insufficient SSH host key validation an attacker can perform a machine-in-the-middle attack on the SSH connections from Apstra to managed devices, enabling an attacker to impersonate a managed device and capture user credentials.
This issue affects all versions of Apstra before 6.1.1.
Severity ?
CWE
- CWE-322 - Key Exchange without Entity Authentication
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Juniper Networks | Apstra |
Affected:
0 , < 6.1.1
(semver)
|
Date Public ?
2026-04-08 10:16
Credits
Juniper SIRT would like to acknowledge and thank the Federal Office for Information Security (BSI) for responsibly reporting this vulnerability.
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CVE-2026-33791 (GCVE-0-2026-33791)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:38 – Updated: 2026-04-09 21:38
VLAI?
EPSS
Title
Junos OS and Junos OS Evolved: Execution of crafted CLI commands allows for arbitrary shell injection as root
Summary
An OS Command Injection vulnerability in the CLI processing of Juniper Networks Junos OS and Junos OS Evolved allows a local, high-privileged attacker executing specific, crafted CLI commands to inject arbitrary shell commands as root, leading to a complete compromise of the system.
Certain 'set system' commands, when executed with crafted arguments, are not properly sanitized, allowing for arbitrary shell injection. These shell commands are executed as root, potentially allowing for complete control of the vulnerable system.
This issue affects:
Junos OS:
* all versions before 22.4R3-S8,
* from 23.2 before 23.2R2-S5,
* from 23.4 before 23.4R2-S7,
* from 24.2 before 24.2R2-S2,
* from 24.4 before 24.4R2,
* from 25.2 before 25.2R2;
Junos OS Evolved:
* all versions before 22.4R3-S8-EVO,
* from 23.2 before 23.2R2-S5-EVO,
* from 23.4 before 23.4R2-S7-EVO,
* from 24.2 before 24.2R2-S2-EVO,
* from 24.4 before 24.4R2-EVO,
* from 25.2 before 25.2R1-S1-EVO, 25.2R2-EVO.
Severity ?
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 22.4R3-S8
(semver)
Affected: 23.2 , < 23.2R2-S5 (semver) Affected: 23.4 , < 23.4R2-S7 (semver) Affected: 24.2 , < 24.2R2-S2 (semver) Affected: 24.4 , < 24.4R2 (semver) Affected: 25.2 , < 25.2R2 (semver) |
|||||||
|
|||||||||
Date Public ?
2026-04-08 16:00
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CVE-2026-33785 (GCVE-0-2026-33785)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:37 – Updated: 2026-04-09 21:37
VLAI?
EPSS
Title
Junos OS: MX Series: Missing Authorization for specific 'request' CLI commands in a JDM/CSDS scenario
Summary
A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS on MX Series allows a local, authenticated user with low privileges to execute specific commands which will lead to a complete compromise of managed devices.
Any user logged in, without requiring specific privileges, can issue 'request csds' CLI operational commands. These commands are only meant to be executed by high privileged or users designated for Juniper Device Manager (JDM) / Connected Security Distributed Services (CSDS) operations as they will impact all aspects of the devices managed via the respective MX.
This issue affects Junos OS on MX Series:
* 24.4 releases before 24.4R2-S3,
* 25.2 releases before 25.2R2.
This issue does not affect Junos OS releases before 24.4.
Severity ?
CWE
- CWE-862 - Missing Authorization
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
24.4 , < 24.4R2-S3
(semver)
Affected: 25.2 , < 25.2R2 (semver) Unaffected: 0 , < 24.4R1 (semver) |
Date Public ?
2026-04-08 16:00
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CVE-2025-30650 (GCVE-0-2025-30650)
Vulnerability from cvelistv5 – Published: 2026-04-08 17:26 – Updated: 2026-04-09 21:32
VLAI?
EPSS
Title
Junos OS: Privileged local user can gain access to a Linux-based FPC as root
Summary
A Missing Authentication for Critical Function vulnerability in command processing of Juniper Networks Junos OS allows a privileged local attacker to gain access to line cards running Junos OS Evolved
as root.
This issue affects systems running Junos OS using Linux-based line cards. Affected line cards include:
* MPC7, MPC8, MPC9, MPC10, MPC11
* LC2101, LC2103
* LC480, LC4800, LC9600
* MX304 (built-in FPC)
* MX-SPC3
* SRX5K-SPC3
* EX9200-40XS
* FPC3-PTX-U2, FPC3-PTX-U3
* FPC3-SFF-PTX
* LC1101, LC1102, LC1104, LC1105
This issue affects Junos OS:
* all versions before 22.4R3-S8,
* from 23.2 before 23.2R2-S6,
* from 23.4 before 23.4R2-S6,
* from 24.2 before 24.2R2-S3,
* from 24.4 before 24.4R2,
* from 25.2 before 25.2R2.
Severity ?
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 22.4R3-S8
(semver)
Affected: 23.2 , < 23.2R2-S6 (semver) Affected: 23.4 , < 23.4R2-S6 (semver) Affected: 24.2 , < 24.2R2-S3 (semver) Affected: 24.4 , < 24.4R2 (semver) Affected: 25.2 , < 25.2R2 (semver) |
Date Public ?
2026-04-08 16:00
Credits
Juniper SIRT would like to acknowledge and thank Pierre EMERIAUD & Orange CERT-CC from Orange group for responsibly reporting this vulnerability.
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CVE-2026-33787 (GCVE-0-2026-33787)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:37 – Updated: 2026-04-09 21:37
VLAI?
EPSS
Title
Junos OS: SRX1500, SRX4100, SRX4200, SRX4600: When a specific show command is executed chassisd crashes
Summary
An Improper Check for Unusual or Exceptional Conditions vulnerability in the chassis control daemon (chassisd) of Juniper Networks Junos OS on SRX1500, SRX4100, SRX4200 and SRX4600 allows a local attacker with low privileges to cause a complete Denial of Service (DoS).
When a specific 'show chassis' CLI command is executed, chassisd crashes and restarts which causes a momentary impact to all traffic until all modules are online again.
This issue affects Junos OS on SRX1500, SRX4100, SRX4200 and SRX4600:
* 23.2 versions before 23.2R2-S6,
* 23.4 versions before 23.4R2-S7
* 24.2 versions before 24.2R2-S2,
* 24.4 versions before 24.4R2,
* 25.2 versions before 25.2R1-S1, 25.2R2.
Severity ?
CWE
- CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 23.2R2-S6
(semver)
Affected: 23.4 , < 23.4R2-S7 (semver) Affected: 24.2 , < 24.2R2-S2 (semver) Affected: 24.4 , < 24.4R2 (semver) Affected: 25.2 , < 25.2R1-S1, 25.2R2 (semver) |
Date Public ?
2026-04-08 16:00
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CVE-2026-33774 (GCVE-0-2026-33774)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:34 – Updated: 2026-04-10 14:14
VLAI?
EPSS
Title
Junos OS: MX Series: Firewall filters on lo0.<non-0> in the default routing instance are not in effect
Summary
An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine (pfe) of Juniper Networks Junos OS on MX Series allows an unauthenticated, network-based attacker to bypass the configured firewall filter and access the control-plane of the device.
On MX platforms with
MPC10, MPC11, LC4800 or LC9600
line cards, and MX304, firewall filters applied on a loopback interface lo0.n (where n is a non-0 number) don't get executed when lo0.n is in the global VRF / default routing-instance.
An affected configuration would be:
user@host# show configuration interfaces lo0 | display set
set interfaces lo0 unit 1 family inet filter input <filter-name>
where a firewall filter is applied to a non-0 loopback interface, but that loopback interface is not referred to in any routing-instance (RI) configuration, which implies that it's used in the default RI.
The issue can be observed with the CLI command:
user@device> show firewall counter filter <filter_name>
not showing any matches.
This issue affects Junos OS on MX Series:
* all versions before 23.2R2-S6,
* 23.4 versions before 23.4R2-S7,
* 24.2 versions before 24.2R2,
* 24.4 versions before 24.4R2.
Severity ?
CWE
- CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 23.2R2-S6
(semver)
Affected: 23.4 , < 23.4R2-S7 (semver) Affected: 24.2 , < 24.2R2 (semver) Affected: 24.4 , < 24.4R2 (semver) |
Date Public ?
2026-04-08 16:00
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CVE-2022-24805 (GCVE-0-2022-24805)
Vulnerability from cvelistv5 – Published: 2024-04-16 19:37 – Updated: 2024-08-03 04:20
VLAI?
EPSS
Title
net-snmp: A buffer overflow in the handling of the INDEX of NET-SNMP-VACM-MIB can cause an out-of-bounds memory access.
Summary
net-snmp provides various tools relating to the Simple Network Management Protocol. Prior to version 5.9.2, a buffer overflow in the handling of the `INDEX` of `NET-SNMP-VACM-MIB` can cause an out-of-bounds memory access. A user with read-only credentials can exploit the issue. Version 5.9.2 contains a patch. Users should use strong SNMPv3 credentials and avoid sharing the credentials. Those who must use SNMPv1 or SNMPv2c should use a complex community string and enhance the protection by restricting access to a given IP address range.
Severity ?
6.5 (Medium)
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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||||||||||||||||||||||||||
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CVE-2026-33783 (GCVE-0-2026-33783)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:36 – Updated: 2026-04-09 21:36
VLAI?
EPSS
Title
Junos OS Evolved: PTX Series: If SRTE tunnels provisioned via PCEP are present and specific gRPC queries are received evo-aftmand crashes
Summary
A Function Call With Incorrect Argument Type vulnerability in the sensor interface of Juniper Networks Junos OS Evolved on PTX Series allows a network-based, authenticated attacker with low privileges to cause a complete Denial of Service (DoS).
If colored SRTE policy tunnels are provisioned via PCEP, and gRPC is used to monitor traffic in these tunnels, evo-aftmand crashes and doesn't restart which leads to a complete and persistent service impact. The system has to be manually restarted to recover. The issue is seen only when the Originator ASN field in PCEP contains a value larger than 65,535 (32-bit ASN). The issue is not reproducible when SRTE policy tunnels are statically configured.
This issue affects Junos OS Evolved on PTX Series:
* all versions before 22.4R3-S9-EVO,
* 23.2 versions before 23.2R2-S6-EVO,
* 23.4 versions before 23.4R2-S7-EVO,
* 24.2 versions before 24.2R2-S4-EVO,
* 24.4 versions before 24.4R2-S2-EVO,
* 25.2 versions before 25.2R1-S2-EVO, 25.2R2-EVO.
Severity ?
CWE
- CWE-686 - Function Call With Incorrect Argument Type
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Juniper Networks | Junos OS Evolved |
Affected:
0 , < 22.4R3-S9-EVO
(semver)
Affected: 23.2 , < 23.2R2-S6-EVO (semver) Affected: 23.4 , < 23.4R2-S7-EVO (semver) Affected: 24.2 , < 24.2R2-S4-EVO (semver) Affected: 24.4 , < 24.4R2-S2-EVO (semver) Affected: 25.2 , < 25.2R1-S2-EVO, 25.2R2-EVO (semver) |
Date Public ?
2026-04-08 16:00
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CVE-2026-33786 (GCVE-0-2026-33786)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:28 – Updated: 2026-04-09 21:28
VLAI?
EPSS
Title
Junos OS: SRX1600, SRX2300, SRX4300: When a specific show command is executed chassisd crashes
Summary
An Improper Check for Unusual or Exceptional Conditions vulnerability in the chassis control daemon (chassisd) of Juniper Networks Junos OS on SRX1600, SRX2300 and SRX4300 allows a local attacker with low privileges to cause a complete Denial of Service (DoS).
When a specific 'show chassis' CLI command is executed, chassisd crashes and restarts which causes a momentary impact to all traffic until all modules are online again.
This issue affects Junos OS on SRX1600, SRX2300 and SRX4300:
* 24.4 versions before 24.4R1-S3, 24.4R2.
This issue does not affect Junos OS versions before 24.4R1.
Severity ?
CWE
- CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
24.4 , < 24.4R1-S3, 24.4R2
(semver)
|
Date Public ?
2026-04-08 08:21
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CVE-2026-33779 (GCVE-0-2026-33779)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:30 – Updated: 2026-04-09 21:30
VLAI?
EPSS
Title
Junos OS: SRX Series: Insufficient certificate verification for device to SD cloud communication
Summary
An Improper Following of a Certificate's Chain of Trust vulnerability in J-Web of Juniper Networks Junos OS on SRX Series allows a PITM to intercept the communication of the device and get access to confidential information and potentially modify it.
When an SRX device is provisioned to connect to Security Director (SD) cloud, it doesn't perform sufficient verification of the received server certificate. This allows a PITM to intercept the communication between the SRX and SD cloud and access credentials and other sensitive information.
This issue affects Junos OS:
* all versions before 22.4R3-S9,
* 23.2 versions before 23.2R2-S6,
* 23.4 versions before 23.4R2-S7,
* 24.2 versions before 24.2R2-S3,
* 24.4 versions before 24.4R2-S2,
* 25.2 versions before 25.2R1-S2, 25.2R2.
Severity ?
CWE
- CWE-296 - Improper Following of a Certificate's Chain of Trust
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 22.4R3-S9
(semver)
Affected: 23.2 , < 23.2R2-S6 (semver) Affected: 23.4 , < 23.4R2-S7 (semver) Affected: 24.2 , < 24.2R2-S3 (semver) Affected: 24.4 , < 24.4R2-S2 (semver) Affected: 25.2 , < 25.2R1-S2, 25.2R2 (semver) |
Date Public ?
2026-04-08 16:00
Credits
Juniper SIRT would like to acknowledge and thank Konrad Porzezynski for responsibly reporting this vulnerability.
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CVE-2026-33797 (GCVE-0-2026-33797)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:31 – Updated: 2026-04-09 21:31
VLAI?
EPSS
Title
Junos OS and Junos OS Evolved: An attacker sending a specific genuine BGP packet causes a BGP reset
Summary
An Improper Input Validation vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker, sending a specific genuine BGP packet in an already established BGP session to reset only that session causing a Denial of Service (DoS).
An attacker repeatedly sending the packet will sustain the Denial of Service (DoS).This issue affects Junos OS:
* 25.2 versions before 25.2R2
This issue doesn't not affected Junos OS versions before 25.2R1.
This issue affects Junos OS Evolved:
* 25.2-EVO versions before 25.2R2-EVO
This issue doesn't not affected Junos OS Evolved versions before 25.2R1-EVO.
eBGP and iBGP are affected.
IPv4 and IPv6 are affected.
Severity ?
CWE
- CWE-20 - Improper Input Validation
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
25.2 , < 25.2R2
(semver)
Unaffected: 0 , < 25.2R1 (semver) |
|||||||
|
|||||||||
Date Public ?
2026-04-08 16:00
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CVE-2026-33790 (GCVE-0-2026-33790)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:38 – Updated: 2026-04-10 13:56
VLAI?
EPSS
Title
Junos OS: SRX Series: In a NAT64 configuration, receipt of a specific, malformed ICMPv6 packet will cause the srxpfe process to crash and restart.
Summary
An Improper Check for Unusual or Exceptional Conditions vulnerability in the flow daemon (flowd) of Juniper Networks Junos OS on SRX Series allows an attacker sending a specific, malformed ICMPv6 packet to cause the srxpfe process to crash and restart. Continued receipt and processing of these packets will repeatedly crash the srxpfe process and sustain the Denial of Service (DoS) condition.
During NAT64 translation, receipt of a specific, malformed ICMPv6 packet destined to the device will cause the srxpfe process to crash and restart.
This issue cannot be triggered using IPv4 nor other IPv6 traffic.
This issue affects Junos OS on SRX Series:
* all versions before 21.2R3-S10,
* all versions of 21.3,
* from 21.4 before 21.4R3-S12,
* all versions of 22.1,
* from 22.2 before 22.2R3-S8,
* all versions of 22.4,
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* from 23.2 before 23.2R2-S6,
* from 23.4 before 23.4R2-S7,
* from 24.2 before 24.2R2-S3,
* from 24.4 before 24.4R2-S3,
* from 25.2 before 25.2R1-S2, 25.2R2.
Severity ?
CWE
- CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 21.2R3-S10
(semver)
Affected: 21.4 , < 21.4R3-S12 (semver) Affected: 22.2 , < 22.2R3-S8 (semver) Affected: 22.4 , < 22.4R3-S9 (semver) Affected: 23.2 , < 23.2R2-S6 (semver) Affected: 23.4 , < 23.4R2-S7 (semver) Affected: 24.2 , < 24.2R2-S3 (semver) Affected: 24.4 , < 24.4R2-S3 (semver) Affected: 25.2 , < 25.2R1-S2, 25.2R2 (semver) Affected: 21.3 , < 21.3* (semver) Affected: 22.1 , < 22.1* (semver) Affected: 22.3 , < 22.3* (semver) |
Date Public ?
2026-04-08 16:00
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CVE-2026-21916 (GCVE-0-2026-21916)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:28 – Updated: 2026-04-10 03:56
VLAI?
EPSS
Title
Junos OS: A low privileged user can escalate their privileges so that they can login as root
Summary
A UNIX Symbolic Link (Symlink) Following vulnerability in the CLI of Juniper Networks Junos OS allows a local, authenticated attacker with low privileges to escalate their privileges to root which will lead to a complete compromise of the system.
When after a user has performed a specific 'file link ...' CLI operation, another user commits (unrelated configuration changes), the first user can login as root.
This issue affects Junos OS:
* all versions before 23.2R2-S7,
* 23.4 versions before 23.4R2-S6,
* 24.2 versions before 24.2R2-S3,
* 24.4 versions before 24.4R2-S2,
* 25.2 versions before 25.2R2.
This issue does not affect versions 25.4R1 or later.
Severity ?
CWE
- CWE-61 - UNIX Symbolic Link (Symlink) Following
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 23.2R2-S7
(semver)
Affected: 23.4 , < 23.4R2-S6 (semver) Affected: 24.2 , < 24.2R2-S3 (semver) Affected: 24.4 , < 24.4R2-S2 (semver) Affected: 25.2 , < 25.2R2 (semver) Unaffected: 25.4R1 |
Date Public ?
2026-04-08 16:00
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CVE-2026-33778 (GCVE-0-2026-33778)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:35 – Updated: 2026-04-10 14:11
VLAI?
EPSS
Title
Junos OS: SRX Series, MX Series: When a specifically malformed first ISAKMP packet is received kmd/iked crashes
Summary
An Improper Validation of Syntactic Correctness of Input vulnerability in the IPsec library used by kmd and iked of Juniper Networks Junos OS on SRX Series and MX Series allows an unauthenticated, network-based attacker to cause a complete Denial-of-Service (DoS).
If an affected device receives a specifically malformed first ISAKMP packet from the initiator, the kmd/iked process will crash and restart, which momentarily prevents new security associations (SAs) for from being established. Repeated exploitation of this vulnerability causes a complete inability to establish new VPN connections.
This issue affects Junos OS on
SRX Series and MX Series:
* all versions before 22.4R3-S9,
* 23.2 version before 23.2R2-S6,
* 23.4 version before 23.4R2-S7,
* 24.2 versions before 24.2R2-S4,
* 24.4 versions before 24.4R2-S3,
* 25.2 versions before 25.2R1-S2, 25.2R2.
Severity ?
CWE
- CWE-1286 - Improper Validation of Syntactic Correctness of Input
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 22.4R3-S9
(semver)
Affected: 23.2 , < 23.2R2-S6 (semver) Affected: 23.4 , < 23.4R2-S7 (semver) Affected: 24.2 , < 24.2R2-S4 (semver) Affected: 24.4 , < 24.4R2-S3 (semver) Affected: 25.2 , < 25.2R1-S2, 25.2R2 (semver) |
Date Public ?
2026-04-08 16:00
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CVE-2026-33781 (GCVE-0-2026-33781)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:35 – Updated: 2026-04-10 14:10
VLAI?
EPSS
Title
Junos OS: EX Series, QFX Series: In a VXLAN scenario when specific control protocol packets are received, memory leaks and eventually no traffic is passed
Summary
An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine (pfe) of Juniper Networks Junos OS on specific EX and QFX Series devices allow an unauthenticated, adjacent attacker to cause a complete Denial of Service (DoS).
On EX4k, and QFX5k platforms configured as service-provider edge devices, if L2PT is enabled on the UNI and VSTP is enabled on NNI in VXLAN scenarios, receiving VSTP BPDUs on UNI leads to packet buffer allocation failures, resulting in the device to not pass traffic anymore until it is manually recovered with a restart.This issue affects Junos OS:
* 24.4 releases before 24.4R2,
* 25.2 releases before 25.2R1-S1, 25.2R2.
This issue does not affect Junos OS releases before 24.4R1.
Severity ?
CWE
- CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
24.4 , < 24.4R2
(semver)
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Date Public ?
2026-04-08 16:00
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CVE-2026-33788 (GCVE-0-2026-33788)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:27 – Updated: 2026-04-10 03:56
VLAI?
EPSS
Title
Junos OS Evolved: Local, authenticated attacker can gain privileged access to FPCs
Summary
A Missing Authentication for Critical Function vulnerability in the Flexible PIC Concentrators (FPCs) of Juniper Networks Junos OS Evolved on PTX Series allows a local, authenticated attacker with low privileges to gain direct access to FPCs installed in the device.
A local user with low privileges can gain direct access to the installed FPCs as a high privileged user, which can potentially lead to a full compromise of the affected component.
This issue affects Junos OS Evolved on PTX10004, PTX10008, PTX100016, with JNP10K-LC1201 or JNP10K-LC1202:
* All versions before 21.2R3-S8-EVO,
* 21.4-EVO versions before 21.4R3-S7-EVO,
* 22.2-EVO versions before 22.2R3-S4-EVO,
* 22.3-EVO versions before 22.3R3-S3-EVO,
* 22.4-EVO versions before 22.4R3-S2-EVO,
* 23.2-EVO versions before 23.2R2-EVO.
Severity ?
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Juniper Networks | Junos OS Evolved |
Affected:
0 , < 21.2R3-S8-EVO
(semver)
Affected: 21.4-EVO , < 21.4R3-S7-EVO (semver) Affected: 22.2-EVO , < 22.2R3-S4-EVO (semver) Affected: 22.3-EVO , < 22.3R3-S3-EVO (semver) Affected: 22.4-EVO , < 22.4R3-S2-EVO (semver) Affected: 23.2-EVO , < 23.2R2-EVO (semver) |
Date Public ?
2026-04-08 16:00
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CVE-2026-33773 (GCVE-0-2026-33773)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:28 – Updated: 2026-04-09 21:28
VLAI?
EPSS
Title
Junos OS: EX Series, QFX Series: If the same egress filter is configured on both an IRB and a physical interface one of those is not applied
Summary
An Incorrect Initialization of Resource vulnerability in the packet forwarding engine (pfe) of Juniper Networks Junos OS on specific EX Series and QFX Series device allows an unauthenticated, network-based attacker to cause an integrity impact to downstream networks.
When the same family inet or inet6 filter is applied on an IRB interface and on a physical interface as egress filter on EX4100, EX4400, EX4650 and QFX5120 devices, only one of the two filters will be applied, which can lead to traffic being sent out one of these interfaces which should have been blocked.
This issue affects Junos OS on EX Series and QFX Series:
* 23.4 version 23.4R2-S6,
* 24.2 version 24.2R2-S3.
No other Junos OS versions are affected.
Severity ?
CWE
- CWE-1419 - Incorrect Initialization of Resource
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
23.4R2-S6 , < 23.4R2-S7
(semver)
Affected: 24.2R2-S3 , < 24.2R2-S4 (semver) |
Date Public ?
2026-04-08 16:00
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CVE-2026-33775 (GCVE-0-2026-33775)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:30 – Updated: 2026-04-09 21:30
VLAI?
EPSS
Title
Junos OS: MX Series: Mismatch between configured and received packet types causes memory leak in bbe-smgd
Summary
A Missing Release of Memory after Effective Lifetime vulnerability in the BroadBand Edge subscriber management daemon (bbe-smgd) of Juniper Networks Junos OS on MX Series allows an adjacent, unauthenticated attacker to cause a Denial of Service (DoS).
If the authentication packet-type option is configured and a received packet does not match that packet type, the memory leak occurs. When all memory
available to bbe-smgd has been consumed, no new subscribers will be able to login.
The memory utilization of bbe-smgd can be monitored with the following show command:
user@host> show system processes extensive | match bbe-smgd
The below log message can be observed when this limit has been reached:
bbesmgd[<PID>]: %DAEMON-3-SMD_DPROF_RSMON_ERROR: Resource unavailability, Reason: Daemon Heap Memory exhaustion
This issue affects Junos OS on MX Series:
* all versions before 22.4R3-S8,
* 23.2 versions before 23.2R2-S5,
* 23.4 versions before 23.4R2-S6,
* 24.2 versions before 24.2R2-S2,
* 24.4 versions before 24.4R2,
* 25.2 versions before 25.2R2.
Severity ?
CWE
- CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 22.4R3-S8
(semver)
Affected: 23.2 , < 23.2R2-S5 (semver) Affected: 23.4 , < 23.4R2-S6 (semver) Affected: 24.2 , < 24.2R2-S2 (semver) Affected: 24.4 , < 24.4R2 (semver) Affected: 25.2 , < 25.2R2 (semver) |
Date Public ?
2026-04-08 16:00
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CVE-2026-21915 (GCVE-0-2026-21915)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:26 – Updated: 2026-04-10 03:56
VLAI?
EPSS
Title
JSI Virtual Lightweight Collector: Shell escape allows privilege escalation to root
Summary
A Permissive List of Allowed Input vulnerability in the CLI of Juniper Networks Support Insights (JSI) Virtual Lightweight Collector (vLWC) allows a local, high privileged attacker to escalate their privileges to root.
The CLI menu accepts input without carefully validating it, which allows for shell command injection. These shell commands are executed with root permissions and can be used to gain complete control of the system.
This issue affects all JSI vLWC versions before 3.0.94.
Severity ?
CWE
- CWE-183 - Permissive List of Allowed Input
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Juniper Networks | JSI LWC |
Affected:
0 , < 3.0.94
(semver)
|
Date Public ?
2026-04-08 16:00
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CVE-2026-33776 (GCVE-0-2026-33776)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:34 – Updated: 2026-04-10 14:13
VLAI?
EPSS
Title
Junos OS and Junos OS Evolved: Specific low privileged CLI command exposes sensitive information
Summary
A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS and Junos OS Evolved allows a local user with low privileges to read sensitive information.
A local user with low privileges can execute the CLI command 'show mgd' with specific arguments which will expose sensitive information.
This issue affects
Junos OS:
* all versions before 22.4R3-S8,
* 23.2 versions before 23.2R2-S6,
* 23.4 versions before 23.4R2-S6,
* 24.2 versions before 24.2R2-S4,
* 24.4 versions before 24.4R2-S1,
* 25.2 version before 25.2R1-S2, 25.2R2;
Junos OS Evolved:
* all versions before 23.2R2-S6-EVO,
* 23.4 version before 23.4R2-S6-EVO,
* 24.2 version before 24.2R2-S4-EVO,
* 24.4 versions before 24.4R2-S1-EVO,
* 25.2 versions before 25.2R2-EVO.
Severity ?
CWE
- CWE-862 - Missing Authorization
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
0 , < 22.4R3-S8
(semver)
Affected: 23.2 , < 23.2R2-S6 (semver) Affected: 23.4 , < 23.4R2-S6 (semver) Affected: 24.2 , < 24.2R2-S4 (semver) Affected: 24.4 , < 24.4R2-S1 (semver) Affected: 25.2 , < 25.2R1-S2, 25.2R2 (semver) |
|||||||
|
|||||||||
Date Public ?
2026-04-08 16:00
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"value": "A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS and Junos OS Evolved allows a local user with low privileges to read sensitive information.\u003cbr\u003e\u003cbr\u003eA local user with low privileges can execute the CLI command \u0027show mgd\u0027 with specific arguments which will expose sensitive information.\u003cbr\u003e\u003cbr\u003eThis issue affects\u003cbr\u003e\u003cbr\u003eJunos OS:\u003cbr\u003e\u003cul\u003e\u003cli\u003eall versions before 22.4R3-S8,\u003c/li\u003e\u003cli\u003e23.2 versions before 23.2R2-S6,\u003c/li\u003e\u003cli\u003e23.4 versions before 23.4R2-S6,\u003c/li\u003e\u003cli\u003e24.2 versions before 24.2R2-S4,\u003c/li\u003e\u003cli\u003e24.4 versions before 24.4R2-S1,\u003c/li\u003e\u003cli\u003e25.2 version before 25.2R1-S2, 25.2R2;\u003c/li\u003e\u003c/ul\u003e\u003cbr\u003eJunos OS Evolved:\u003cbr\u003e\u003cul\u003e\u003cli\u003eall versions before 23.2R2-S6-EVO,\u003c/li\u003e\u003cli\u003e23.4 version before 23.4R2-S6-EVO,\u003c/li\u003e\u003cli\u003e24.2 version before 24.2R2-S4-EVO,\u003c/li\u003e\u003cli\u003e24.4 versions before 24.4R2-S1-EVO,\u003c/li\u003e\u003cli\u003e25.2 versions before 25.2R2-EVO.\u003c/li\u003e\u003c/ul\u003e\u003cbr\u003e"
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"value": "A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS and Junos OS Evolved allows a local user with low privileges to read sensitive information.\n\nA local user with low privileges can execute the CLI command \u0027show mgd\u0027 with specific arguments which will expose sensitive information.\n\nThis issue affects\n\nJunos OS:\n * all versions before 22.4R3-S8,\n * 23.2 versions before 23.2R2-S6,\n * 23.4 versions before 23.4R2-S6,\n * 24.2 versions before 24.2R2-S4,\n * 24.4 versions before 24.4R2-S1,\n * 25.2 version before 25.2R1-S2, 25.2R2;\n\n\n\nJunos OS Evolved:\n * all versions before 23.2R2-S6-EVO,\n * 23.4 version before 23.4R2-S6-EVO,\n * 24.2 version before 24.2R2-S4-EVO,\n * 24.4 versions before 24.4R2-S1-EVO,\n * 25.2 versions before 25.2R2-EVO."
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"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
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"providerUrgency": "NOT_DEFINED",
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"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/AU:Y/RE:M",
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"descriptions": [
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"cweId": "CWE-862",
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"type": "CWE"
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"providerMetadata": {
"dateUpdated": "2026-04-09T21:34:50.469Z",
"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
"shortName": "juniper"
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"tags": [
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"url": "https://kb.juniper.net/JSA107866"
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"source": {
"advisory": "JSA107866",
"defect": [
"1704886"
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"discovery": "EXTERNAL"
},
"title": "Junos OS and Junos OS Evolved: Specific low privileged CLI command exposes sensitive information",
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"assignerShortName": "juniper",
"cveId": "CVE-2026-33776",
"datePublished": "2026-04-09T21:34:50.469Z",
"dateReserved": "2026-03-23T19:46:13.669Z",
"dateUpdated": "2026-04-10T14:13:45.754Z",
"state": "PUBLISHED"
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}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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