How severe is CVE-2024-53704?

CVE-2024-53704 has a CVSS score of 9.8/10, rated CRITICAL. Immediate patching is strongly recommended.

Which packages are affected by CVE-2024-53704?

Affected package information for CVE-2024-53704 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2024-53704?

No fixed version has been published for CVE-2024-53704 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2024-53704 actively exploited in the wild?

No public exploit code has been indexed for CVE-2024-53704 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2024-53704?

CVE-2024-53704 has an EPSS (Exploit Prediction Scoring System) score of 93.9%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

Is CVE-2024-53704 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2024-53704 (SonicWall SonicOS SSLVPN Improper Authentication Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2025-02-18. CISA required all US federal civilian agencies to remediate this vulnerability by 2025-03-11. The required action was: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. This CVE has been used in known ransomware campaigns. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2024-53704?

CVE-2024-53704 is classified as Improper Authentication (CWE-287). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2024-53704?

CVE-2024-53704 affects sonicwall sonicos (2 versions, e.g. 7.1.2-7019, 8.0.0-8035). Check the affected-products list on this page against your deployed version to confirm exposure.

Is there exploit tooling available for CVE-2024-53704?

A Nuclei detection template exists for CVE-2024-53704, meaning automated scanners can fingerprint it. Public exploit tooling significantly increases real-world risk — prioritize patching and ensure detection coverage. Exploit tooling should only ever be used in isolated, authorized testing environments.

When was CVE-2024-53704 published, and has it been updated?

CVE-2024-53704 was published on January 9, 2025 and was last updated on October 31, 2025. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2025-02-18 — agencies required to remediate by 2025-03-11 · Ransomware

CVE-2024-53704

CRITICAL

An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass authentication.

Published

Jan 9, 2025

Updated

Oct 31, 2025

Affected

0 pkgs

Patched

None yet

Exploits

None indexed

EPSS Exploitation Probability

via FIRST.org ↗

93.9%probability of exploitation in next 30 days

Very High Risk100th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass authentication.

Affected Products

1 product · 3 configurations

sonicossonicwall

≥ 7.1.1-7040 && ≤ 7.1.1-7058

2 versions

7.1.2-70198.0.0-8035

Frequently Asked Questions

An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass authentication.

O3 Security · Impact-Aware SCA

Is CVE-2024-53704 in your stack?

O3 detects CVE-2024-53704 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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