CVE-2024-53704 kev+ ransomware in the critical feed json
An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass authentication.
published 2025-01-09 21 mo ago modified 2026-08-04 3 mo ago also EUVD-2024-52037
- cvss
- 8.2
- version 3.1, CNA
- cisa kev
- Exploited
- added 2025-02-18, used in ransomware
- epss
- 95.3%
- EPSS 95.3% chance of exploitation in 30 days, percentile 99.8%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass authentication.
Patch / fix
cisa required action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Timeline
- Published
- CISA SSVC: exploitation active
- Added to CISA KEV
- CISA patch deadline
Known exploited
- Added
- 20 mo ago
- Patch by
- 2025-03-11 (19 mo ago)
- Ransomware
- Known to be used in ransomware campaigns
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Vendor, product
- SonicWall, SonicOS
- CISA name
- SonicWall SonicOS SSLVPN Improper Authentication Vulnerability
ATT&CK techniques
How it is exploited and what it leads to, in MITRE ATT&CK terms.
- T1199 Trusted Relationship exploitation
- T1212 Exploitation for Credential Access exploitation
- T1078.004 Cloud Accounts primary impact
- T1083 File and Directory Discovery primary impact
- T1021.001 Remote Desktop Protocol secondary impact
kev release 2025-07-28, att&ck v16.1. KEV to ATT&CK mappings by the MITRE Center for Threat-Informed Defense (Mappings Explorer, Apache-2.0). © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. Terms of use
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 20 mo ago
Exploit prediction
95.31% chance of exploitation in the next 30 days, higher than 99.8% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template SSL VPN Session Hijacking nuclei detection template
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 8.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H |
Affected products
- SonicWall SonicOS
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
psirt.global.sonicwall.com
/vuln-detail/SNWLID-2025-0003
vendor-advisory
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-53704
government-resource, us-government-resource
Sources
- CVE List CVE-2024-53704
- NVD CVE-2024-53704
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.