Improper input validation in SonicWall Email Security
Priority LOW 18CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
A vulnerability exists in the SonicWall Email Security appliance due to improper input sanitization that may lead to data corruption, allowing a remote authenticated attacker as admin user could exploit this issue by providing crafted input that corrupts application database.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00326 25th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| SonicWall | Email Security | 10.0.34.8215 and earlier versions; 10.0.34.8223 and earlier versions | — | No fix listed | CNA |
- Email Security VendorSonicWall Affected 10.0.34.8215 and earlier versions; 10.0.34.8223 and earlier versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sonicwall:email_security:*:*:*:*:*:*:*:* | before 10.0.35.8405 | Vulnerable | SonicWall |
| cpe:2.3:h:sonicwall:esa5000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SonicWall |
| cpe:2.3:h:sonicwall:esa5050:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SonicWall |
| cpe:2.3:h:sonicwall:esa7000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SonicWall |
| cpe:2.3:h:sonicwall:esa7050:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SonicWall |
| cpe:2.3:h:sonicwall:esa9000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SonicWall |
- cpe:2.3:a:sonicwall:email_security:*:*:*:*:*:*:*:* Versions before 10.0.35.8405 Vulnerable ·SonicWall
- cpe:2.3:h:sonicwall:esa5000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SonicWall
- cpe:2.3:h:sonicwall:esa5050:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SonicWall
- cpe:2.3:h:sonicwall:esa7000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SonicWall
- cpe:2.3:h:sonicwall:esa7050:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SonicWall
- cpe:2.3:h:sonicwall:esa9000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SonicWall
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
SonicWall Email Security — psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0002
3 records Highest priority Priority LOW 3 LOW
Other records, highest priority first
- TI-2026-02987 Cross-site scripting in SonicWall Email SecurityPriority LOW 21
- TI-2026-02988 Improper input validation in SonicWall Email SecurityPriority LOW 14
Timeline
- 2026-10-02 Threatist record created from CVE-2026-3470
- 2026-10-03 Alias added: GHSA-mxmj-f4h6-phv6
References
More SonicWall Email Security vulnerabilities
- TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
- TI-2021-03342 Improper privilege management in SonicWall Email Security KEVCVSS 3.1CRITICAL 9.8
- TI-2021-20393 Apache Log4j2 Thread Context Message Pattern and Context Lookup Pattern vulnerable to a denial of service attack KEVCVSS 3.1CRITICAL 9.0
- TI-2021-03343 Unrestricted file upload in SonicWall Email Security KEVCVSS 3.1HIGH 7.2
- TI-2021-03344 Path traversal in SonicWall Email Security KEVCVSS 3.1MEDIUM 4.9
- TI-2021-20437 Apache Log4j2 does not always protect from infinite recursion in lookup evaluation CVSS 3.1MEDIUM 5.9
Sources
- CVE-2026-3470 · CVE Program
- CVE-2026-3470 · NVD
- FIRST EPSS
- GHSA-mxmj-f4h6-phv6 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences