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CVE-2024-53704: SonicWall SonicOS SSLVPN Improper Authentication Vulnerability

criticalknown exploitedpublic exploitCVE-2024-53704
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
SonicWall SonicOS contains an improper authentication vulnerability in the SSLVPN authentication mechanism that allows a remote attacker to bypass authentication.

CSIRTS triage

vendor: SonicWallproduct: SonicOSAuthentication bypass
What
The vulnerability allows a remote attacker to bypass authentication in the SSLVPN authentication mechanism.
Who is affected
Users of SonicWall SonicOS are affected.
Urgency
Immediate action is required due to active exploitation and critical severity.
Action
Update SonicWall SonicOS to the latest version.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2025-02-18
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2024-53704

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2024-53704coverage & exploitation statusNVD · CVE.org

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