CVE-2014-2897 json
The SSL 3 HMAC functionality in wolfSSL CyaSSL 2.5.0 before 2.9.4 does not check the padding length when verification fails, which allows r…
published 2020-01-28 6 y ago modified 2026-06-17 4 mo ago also EUVD-2014-2920
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.8%
- EPSS 2.8% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known
Summary
The SSL 3 HMAC functionality in wolfSSL CyaSSL 2.5.0 before 2.9.4 does not check the padding length when verification fails, which allows remote attackers to have unspecified impact via a crafted HMAC, which triggers an out-of-bounds read.
Patch / fix
- wolfssl wolfssl 2.9.4
Exploit prediction
2.77% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
References
-
wolfssl.com
/yaSSL/Blog/Entries/2014/4/11_wolfSSL_Security_Advisory__April_9%2C_2014.html
vendor-advisory
-
wolfssl.com
/yaSSL/Docs-cyassl-changelog.html
vendor-advisory
-
seclists.org
/oss-sec/2014/q2/126
mailing-list, third-party-advisory
-
seclists.org
/oss-sec/2014/q2/130
mailing-list, third-party-advisory
Sources
- CVE List CVE-2014-2897
- NVD CVE-2014-2897
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.