Improper input validation in SonicWall Email Security
CVE-2026-3470
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.8 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (32.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- SonicWall Email Security — versions 10.0.34.8215 and earlier versions, 10.0.34.8223 and earlier versions
- SonicWall Email Security
- SonicWall Esa5000
- SonicWall Esa5050
- SonicWall Esa7000
- SonicWall Esa7050
- SonicWall Esa9000
Weakness classification (CWE)
References
- psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0002 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-3470?
- CVE-2026-3470 is a low-severity vulnerability in SonicWall Email Security, classified under Improper Input Validation. CVSS score: 3.8/10. Published 2026-03-31.
- How severe is CVE-2026-3470?
- Low severity. CVSS v3 base score is 3.8 out of 10.