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PatchSiren cyber security CVE debrief

CVE-2024-53704 SonicWall CVE debrief

CVE-2024-53704 is a SonicWall SonicOS SSLVPN improper authentication issue that CISA lists in its Known Exploited Vulnerabilities catalog. Because it is marked as known exploited and associated with known ransomware campaign use, organizations should treat remediation as urgent and follow vendor guidance immediately.

Vendor
SonicWall
Product
SonicOS
CVSS
CRITICAL 9.8
CISA KEV
Listed
Original CVE published
2025-02-18
Original CVE updated
2025-02-18
Advisory published
2025-02-18
Advisory updated
2025-02-18

Who should care

Organizations using SonicWall SonicOS SSLVPN, especially those exposing VPN services to the internet, and teams responsible for perimeter security, patching, and incident response.

Technical summary

The supplied corpus identifies the issue only as an improper authentication vulnerability in SonicWall SonicOS SSLVPN. CISA’s KEV entry marks it as actively exploited and notes known ransomware campaign use. No additional technical mechanics, affected versions, or exploitation details are provided in the supplied sources.

Defensive priority

Urgent

Recommended defensive actions

  • Apply mitigations per vendor instructions as soon as possible.
  • If mitigations are unavailable, discontinue use of the product per CISA KEV guidance.
  • Confirm which SonicWall SonicOS appliances expose SSLVPN and prioritize those assets first.
  • Verify remediation status against the CISA KEV due date of 2025-03-11.
  • Review authentication and VPN access logs for suspicious activity during the exposure window.
  • Monitor for any signs of unauthorized access or persistence on affected appliances.

Evidence notes

This debrief is based on the supplied CISA KEV metadata and the official CVE/NVD reference links. The corpus states the vulnerability name, KEV status, known ransomware campaign use, date added to KEV, and vendor remediation guidance reference. No CVSS score or detailed technical advisory text was supplied.

Sources and references

Verified primary and authoritative sources

  • CVE-2024-53704 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-53704

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2024-53704 NVD vulnerability detail

    Publisher, destination, and source semantics verified

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

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.