CVE-2026-3469 (GCVE-0-2026-3469)
Vulnerability from cvelistv5 – Published: 2026-03-31 20:18 – Updated: 2026-03-31 20:34
VLAI
EPSS
VEX
Summary
A denial-of-service (DoS) vulnerability exists due to improper input validation in the SonicWall Email Security appliance, allowing a remote authenticated attacker as admin user to cause the application to become unresponsive.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-31 20:34 UTC
CWE
- CWE-20 - Improper input validation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.global.sonicwall.com/vuln-detail/SN… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| SonicWall | Email Security |
Affected:
10.0.34.8215 and earlier versions
Affected: 10.0.34.8223 and earlier versions |
guessed |
Date Public
2026-03-31 06:00
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 2.7,
"baseSeverity": "LOW",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-3469",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-03-31T20:34:36.717764Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-03-31T20:34:53.148Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unknown",
"platforms": [
"Linux",
"Windows"
],
"product": "Email Security",
"vendor": "SonicWall",
"versions": [
{
"status": "affected",
"version": "10.0.34.8215 and earlier versions"
},
{
"status": "affected",
"version": "10.0.34.8223 and earlier versions"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Brian Mariani of DigitalCanion SA - www.digitalcanion.com"
}
],
"datePublic": "2026-03-31T06:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "A denial-of-service (DoS) vulnerability exists due to improper input validation in the SonicWall Email Security appliance, allowing a remote authenticated attacker as admin user to cause the application to become unresponsive."
}
],
"value": "A denial-of-service (DoS) vulnerability exists due to improper input validation in the SonicWall Email Security appliance, allowing a remote authenticated attacker as admin user to cause the application to become unresponsive."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-20",
"description": "CWE-20 Improper input validation",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-03-31T20:18:32.521Z",
"orgId": "44b2ff79-1416-4492-88bb-ed0da00c7315",
"shortName": "sonicwall"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0002"
}
],
"source": {
"advisory": "SNWLID-2026-0002",
"discovery": "EXTERNAL"
},
"x_generator": {
"engine": "Vulnogram 1.0.1"
}
}
},
"cveMetadata": {
"assignerOrgId": "44b2ff79-1416-4492-88bb-ed0da00c7315",
"assignerShortName": "sonicwall",
"cveId": "CVE-2026-3469",
"datePublished": "2026-03-31T20:18:32.521Z",
"dateReserved": "2026-03-03T09:59:59.495Z",
"dateUpdated": "2026-03-31T20:34:53.148Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-3469",
"date": "2026-09-19",
"epss": "0.00386",
"percentile": "0.32583"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unknown",
"platforms": [
"Linux",
"Windows"
],
"product": "Email Security",
"vendor": "SonicWall",
"versions": [
{
"status": "affected",
"version": "10.0.34.8215 and earlier versions"
},
{
"status": "affected",
"version": "10.0.34.8223 and earlier versions"
}
]
}
],
"source": "PSIRT@sonicwall.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:sonicwall:email_security:*:*:*:*:*:*:*:*",
"matchCriteriaId": "AD63C704-413C-43B7-9475-A19411E3BF6B",
"versionEndExcluding": "10.0.35.8405",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:sonicwall:esa5000:-:*:*:*:*:*:*:*",
"matchCriteriaId": "91ED89A0-CFFB-44D3-8DE8-64E8DB635872",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:sonicwall:esa5050:-:*:*:*:*:*:*:*",
"matchCriteriaId": "69CD3296-0424-46C7-82F1-3BE7892B72C2",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:sonicwall:esa7000:-:*:*:*:*:*:*:*",
"matchCriteriaId": "3FE6D8AA-F614-404A-9006-A94763AA23B5",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:sonicwall:esa7050:-:*:*:*:*:*:*:*",
"matchCriteriaId": "F748C59C-740B-4F52-9E0D-70F7D4E9AA07",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:sonicwall:esa9000:-:*:*:*:*:*:*:*",
"matchCriteriaId": "7D46ECFF-FA41-4861-A047-1EEFD89D13DD",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A denial-of-service (DoS) vulnerability exists due to improper input validation in the SonicWall Email Security appliance, allowing a remote authenticated attacker as admin user to cause the application to become unresponsive."
},
{
"lang": "es",
"value": "Existe una vulnerabilidad de denegaci\u00f3n de servicio (DoS) debido a una validaci\u00f3n de entrada incorrecta en el dispositivo SonicWall Email Security, lo que permite a un atacante remoto autenticado como usuario administrador hacer que la aplicaci\u00f3n deje de responder."
}
],
"id": "CVE-2026-3469",
"lastModified": "2026-07-24T20:10:00.147",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 2.7,
"baseSeverity": "LOW",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
},
"exploitabilityScore": 1.2,
"impactScore": 1.4,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-3469",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-03-31T20:34:36.717764Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-03-31T21:16:33.163",
"references": [
{
"source": "PSIRT@sonicwall.com",
"tags": [
"Vendor Advisory"
],
"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0002"
}
],
"sourceIdentifier": "PSIRT@sonicwall.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "PSIRT@sonicwall.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-04-01T23:01:18+00:00",
"cve": "CVE-2026-3469",
"id": "CVE-2026-3469",
"initial_release_date": "2026-03-31T06:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2026-3469",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3469.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 2.7,
"baseSeverity": "LOW",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-3469",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-03-31T20:34:36.717764Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-03-31T20:34:49.288Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unknown",
"platforms": [
"Linux",
"Windows"
],
"product": "Email Security",
"vendor": "SonicWall",
"versions": [
{
"status": "affected",
"version": "10.0.34.8215 and earlier versions"
},
{
"status": "affected",
"version": "10.0.34.8223 and earlier versions"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Brian Mariani of DigitalCanion SA - www.digitalcanion.com"
}
],
"datePublic": "2026-03-31T06:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "A denial-of-service (DoS) vulnerability exists due to improper input validation in the SonicWall Email Security appliance, allowing a remote authenticated attacker as admin user to cause the application to become unresponsive."
}
],
"value": "A denial-of-service (DoS) vulnerability exists due to improper input validation in the SonicWall Email Security appliance, allowing a remote authenticated attacker as admin user to cause the application to become unresponsive."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-20",
"description": "CWE-20 Improper input validation",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-03-31T20:18:32.521Z",
"orgId": "44b2ff79-1416-4492-88bb-ed0da00c7315",
"shortName": "sonicwall"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0002"
}
],
"source": {
"advisory": "SNWLID-2026-0002",
"discovery": "EXTERNAL"
},
"x_generator": {
"engine": "Vulnogram 1.0.1"
}
}
},
"cveMetadata": {
"assignerOrgId": "44b2ff79-1416-4492-88bb-ed0da00c7315",
"assignerShortName": "sonicwall",
"cveId": "CVE-2026-3469",
"datePublished": "2026-03-31T20:18:32.521Z",
"dateReserved": "2026-03-03T09:59:59.495Z",
"dateUpdated": "2026-03-31T20:34:53.148Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
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.
Loading…
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.
Loading…
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.
Loading…