CVE-2014-2900 json
wolfSSL CyaSSL before 2.9.4 does not properly validate X.509 certificates with unknown critical extensions, which allows man-in-the-middle…
published 2014-04-22 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-2923
- cvss
- 5.8
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 61%
- public exploits
- 0
- none known
Summary
wolfSSL CyaSSL before 2.9.4 does not properly validate X.509 certificates with unknown critical extensions, which allows man-in-the-middle attackers to spoof servers via crafted X.509 certificate.
Exploit prediction
0.96% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
Classification
- Weakness
-
- CWE-310 Cryptographic Issues
References
-
security.gentoo.org
/glsa/201612-53
vendor-advisory
-
wolfssl.com
/yaSSL/Blog/Entries/2014/4/11_wolfSSL_Security_Advisory__April_9%2C_2014.html
vendor-advisory
-
secunia.com
/advisories/57743
third-party-advisory, vendor-advisory
- wolfssl.com /yaSSL/Docs-cyassl-changelog.html
-
seclists.org
/oss-sec/2014/q2/126
mailing-list
-
securityfocus.com
/bid/66780
vdb-entry
-
seclists.org
/oss-sec/2014/q2/130
mailing-list
Sources
- CVE List CVE-2014-2900
- NVD CVE-2014-2900
Fencer Intel 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.