CVE-2026-33776 (GCVE-0-2026-33776)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:34 – Updated: 2026-04-10 14:13
VLAI
EPSS
VEX
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
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-10 14:12 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://kb.juniper.net/JSA107866 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| 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) |
guessed | |
| Juniper Networks | Junos OS Evolved |
Affected:
0 , < 23.2R2-S6-EVO
(semver)
Affected: 23.4 , < 23.4R2-S6-EVO (semver) Affected: 24.2 , < 24.2R2-S4-EVO (semver) Affected: 24.4 , < 24.4R2-S1-EVO (semver) Affected: 25.2 , < 25.2R2-EVO (semver) |
guessed |
Date Public
2026-04-08 16:00
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"value": "Una vulnerabilidad de autorizaci\u00f3n faltante en la CLI de Juniper Networks Junos OS y Junos OS Evolved permite a un usuario local con bajos privilegios leer informaci\u00f3n sensible.\n\nUn usuario local con bajos privilegios puede ejecutar el comando CLI \u2019show mgd\u2019 con argumentos espec\u00edficos, lo que expondr\u00e1 informaci\u00f3n sensible.\n\nEste problema afecta\n\nJunos OS:\n * todas las versiones anteriores a 22.4R3-S8,\n * versiones 23.2 anteriores a 23.2R2-S6,\n * versiones 23.4 anteriores a 23.4R2-S6,\n * versiones 24.2 anteriores a 24.2R2-S4,\n * versiones 24.4 anteriores a 24.4R2-S1,\n * versi\u00f3n 25.2 anterior a 25.2R1-S2, 25.2R2;\n\nJunos OS Evolved:\n * todas las versiones anteriores a 23.2R2-S6-EVO,\n * versi\u00f3n 23.4 anterior a 23.4R2-S6-EVO,\n * versi\u00f3n 24.2 anterior a 24.2R2-S4-EVO,\n * versiones 24.4 anteriores a 24.4R2-S1-EVO,\n * versiones 25.2 anteriores a 25.2R2-EVO."
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"status": "affected",
"version": "23.2",
"versionType": "semver"
},
{
"lessThan": "23.4R2-S6",
"status": "affected",
"version": "23.4",
"versionType": "semver"
},
{
"lessThan": "24.2R2-S4",
"status": "affected",
"version": "24.2",
"versionType": "semver"
},
{
"lessThan": "24.4R2-S1",
"status": "affected",
"version": "24.4",
"versionType": "semver"
},
{
"lessThan": "25.2R1-S2, 25.2R2",
"status": "affected",
"version": "25.2",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Junos OS Evolved",
"vendor": "Juniper Networks",
"versions": [
{
"lessThan": "23.2R2-S6-EVO",
"status": "affected",
"version": "0",
"versionType": "semver"
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{
"lessThan": "23.4R2-S6-EVO",
"status": "affected",
"version": "23.4",
"versionType": "semver"
},
{
"lessThan": "24.2R2-S4-EVO",
"status": "affected",
"version": "24.2",
"versionType": "semver"
},
{
"lessThan": "24.4R2-S1-EVO",
"status": "affected",
"version": "24.4",
"versionType": "semver"
},
{
"lessThan": "25.2R2-EVO",
"status": "affected",
"version": "25.2",
"versionType": "semver"
}
]
}
],
"datePublic": "2026-04-08T16:00:00.000Z",
"descriptions": [
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"lang": "en",
"supportingMedia": [
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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."
}
],
"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": [
{
"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",
"version": "3.1"
},
"format": "CVSS",
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"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
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"attackRequirements": "NONE",
"attackVector": "LOCAL",
"baseScore": 6.8,
"baseSeverity": "MEDIUM",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"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",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "MODERATE"
},
"format": "CVSS",
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}
],
"problemTypes": [
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"descriptions": [
{
"cweId": "CWE-862",
"description": "CWE-862 Missing Authorization",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-04-09T21:34:50.469Z",
"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
"shortName": "juniper"
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"references": [
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"tags": [
"vendor-advisory"
],
"url": "https://kb.juniper.net/JSA107866"
}
],
"solutions": [
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"supportingMedia": [
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"value": "The following software releases have been updated to resolve this specific issue:\u003cbr\u003eJunos OS Evolved: 23.2R2-S6-EVO, 23.4R2-S6-EVO, 2\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e4.2R2-S4-EVO, 2\u003c/span\u003e4.4R2-S1-EVO, 25.2R2-EVO, 25.4R1-EVO, and all subsequent releases;\u003cbr\u003eJunos OS: 22.4R3-S8, 23.2R2-S6, 23.4R2-S6, 24.2R2-S4, 24.4R2-S1, 25.2R1-S2, 25.2R2, 25.4R1, and all subsequent releases."
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}
],
"source": {
"advisory": "JSA107866",
"defect": [
"1704886"
],
"discovery": "EXTERNAL"
},
"title": "Junos OS and Junos OS Evolved: Specific low privileged CLI command exposes sensitive information",
"workarounds": [
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"value": "Use access lists or firewall filters to limit access to the CLI only from trusted hosts and administrators.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eUtilize CLI authorization to disallow execution of the \u0027\u003c/span\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eshow mgd\u0027\u003c/span\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\u0026nbsp;commands.\u003c/span\u003e\n\n\u003cbr\u003e\n\n\u003cbr\u003e"
}
],
"value": "Use access lists or firewall filters to limit access to the CLI only from trusted hosts and administrators.\n\nUtilize CLI authorization to disallow execution of the \u0027show mgd\u0027\u00a0commands."
}
],
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},
"cveMetadata": {
"assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
"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"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.