Auth bypass in Sonicwall Nsa_2700
CVE-2024-53704
An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass authentication.
Vulnerability class: Broken Authentication
EPSS: 0.951 (99.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
- PSIRT@sonicwall.com (vendor-advisory, Vendor Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2024-53704?
- CVE-2024-53704 is a critical-severity vulnerability in Sonicwall Nsa_2700, classified under Improper Authentication. CVSS score: 9.8/10. Published 2025-01-09.
- How severe is CVE-2024-53704?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2024-53704 known to be exploited?
- Yes. CVE-2024-53704 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-02-18), indicating it is being actively exploited. 21 public proof-of-concept repositories are indexed.