CVE-2024-53704: SonicWall SonicOS SSLVPN Improper Authentication Vulnerability
Vulnerability summary
CVE-2024-53704 is a critical (CVSS 9.8) Improper Authentication vulnerability in SonicWall SonicOS. It is known to be exploited: CISA lists it, first on 18-02-2025. It has been used in ransomware campaigns. EPSS estimates a 95.31% chance of exploitation in the next 30 days, higher than 99.8% of scored vulnerabilities.
Timeline
- 09-01-2025PublishedVulnerability first disclosed.
- 18-02-2025Added to CISA KEVSonicWall SonicOS SSLVPN Improper Authentication Vulnerability
- 11-03-2025CISA remediation dueApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- 04-08-2026Last modifiedVulnerability information updated.
Description
An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass authentication.
CVSS metrics
2 scores · 2 sources · 1 version- CVE.orgCNA8.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:HDiffers
EPSS trend
Probability
95.31%
Chance of exploitation in the next 30 days
Percentile
100%
Versus all other CVEs
30-day change
+0.18 pp
From 95.13% on 18-09-2026
Known exploited
Compare KEV catalogs
CISA KEVListed- Added
- 18-02-2025
- Federal due date
- 11-03-2025
CISA required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0003 nvd.nist.gov/vuln/detail/CVE-2024-53704
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Sonicwall1 product
- sonicos7.1.1-7058 and older versions | ≥ 7.1.1-7040, ≤ 7.1.1-7058 | 7.1.2-7019 | 8.0.0-8035
1 vendor · 1 product
References
2 links- psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0003Vendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-53704Government ResourceUS Government Resource