Observable Response Discrepancy in SonicWall SMA 1000 - CVE-2026-4113

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Main Vulnerability Database Vulnerabilities #VU125517

Observable Response Discrepancy in SonicWall SMA 1000 - CVE-2026-4113

Published: April 8, 2026


Vulnerability identifier: #VU125517
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-4113
CWE-ID: CWE-204
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: SonicWall
Affected software:
SonicWall SMA 1000

Detailed vulnerability description

The vulnerability allows a remote attacker to enumerate SSL VPN user credentials.

The vulnerability exists due to observable response discrepancy in the authentication mechanism when handling authentication requests. A remote attacker can send crafted authentication attempts to enumerate SSL VPN user credentials.


How to mitigate CVE-2026-4113

Install security update from vendor's website.

Sources