CVE-2026-3469
LowCVSS 2.7Exploitation Probability (EPSS)
Low risk31th percentile - higher than 31% of all known CVEs
Summary
SonicWall Email Security has a DoS vulnerability due to improper input validation, exploitable by a remote authenticated admin user.
Risk Assessment
An attacker with admin privileges can make the application unresponsive, causing email service disruption.
Recommendation
Apply the available patch from SonicWall or update the software.
Other vulnerabilities in SonicWall Email Security
See all- CVE-2025-40604Critical
The SonicWall Email Security appliance loads root filesystem images without verifying signatures, allowing attackers with VMDK or datastore access to modify system files and gain persistent arbitrary code execution.
- CVE-2021-20023MediumActively exploited
SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated attacker to read an arbitrary file on the remote host.
- CVE-2021-20022HighActively exploited
Vulnerability in SonicWall Email Security version 10.0.9.x allows a post-authenticated attacker to upload an arbitrary file to the remote host.
- CVE-2021-20021CriticalActively exploited
A vulnerability in the SonicWall Email Security version 10.0.9.x allows an attacker to create an administrative account by sending a crafted HTTP request to the remote host.
- CVE-2026-66150High
Improper Control of Generation of Code ('Code Injection') Vulnerability in the SonicWall Email Security appliance allows an authenticated attacker with access to the SonicWall Email Security restricted CLI can inject arbitrary OS commands that execute as root via SNMP.
- CVE-2026-66149High
Improper Control of Generation of Code ('Code Injection') Vulnerability in the SonicWall Email Security appliance allows an authenticated attacker with access to the SonicWall Email Security restricted CLI can inject arbitrary OS commands that execute as root via netmask.
- CVE-2026-3470Low
The SonicWall Email Security appliance has a vulnerability due to improper input sanitization that may lead to data corruption. A remote authenticated attacker with admin privileges can exploit this by providing crafted input that corrupts the application database.
- CVE-2026-3468Medium
A stored XSS vulnerability exists in SonicWall Email Security due to improper input neutralization. A remote authenticated admin user can execute arbitrary JavaScript code.
Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS