CVE-2024-2873 json
User authentication bypass in wolfSSH server
published 2024-03-25 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-27817
- cvss
- 9.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 50%
- public exploits
- 0
- none known
Summary
A vulnerability was found in wolfSSH's server-side state machine before versions 1.4.17. A malicious client could create channels without first performing user authentication, resulting in unauthorized access.
Patch / fix
- wolfssh wolfssh 1.4.16
- github.com/wolfSSL/wolfssh#670 pull request
- github.com/wolfSSL/wolfssh#671 pull request
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
0.62% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
Affected products
- wolfSSL Inc. wolfSSH
- wolfssh wolfssh
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
github.com
/wolfSSL/wolfssh/pull/670
patch, issue-tracking
-
github.com
/wolfSSL/wolfssh/pull/671
patch, issue-tracking
-
wolfssl.com
/docs/security-vulnerabilities/
vendor-advisory
Sources
- CVE List CVE-2024-2873
- NVD CVE-2024-2873
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.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.