VulnerabilityModified
CVE-2014-2900
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.
MEDIUM 5.8EPSS 0.97%
Does this matter?
Lower severity and a low EPSS score (0.97%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 2.0
- 5.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:N
- EPSS
- 0.97% probability · 60th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-310
- Affected
- yassl/cyassl
- Source
- cve@mitre.org
References
- http://seclists.org/oss-sec/2014/q2/126
- http://seclists.org/oss-sec/2014/q2/130
- http://secunia.com/advisories/57743Vendor Advisory
- http://www.securityfocus.com/bid/66780
- http://www.wolfssl.com/yaSSL/Blog/Entries/2014/4/11_wolfSSL_Security_Advisory__April_9%2C_2014.htmlVendor Advisory
- http://www.wolfssl.com/yaSSL/Docs-cyassl-changelog.html
- https://security.gentoo.org/glsa/201612-53
- http://seclists.org/oss-sec/2014/q2/126
- http://seclists.org/oss-sec/2014/q2/130
- http://secunia.com/advisories/57743Vendor Advisory
- http://www.securityfocus.com/bid/66780
- http://www.wolfssl.com/yaSSL/Blog/Entries/2014/4/11_wolfSSL_Security_Advisory__April_9%2C_2014.htmlVendor Advisory
- http://www.wolfssl.com/yaSSL/Docs-cyassl-changelog.html
- https://security.gentoo.org/glsa/201612-53
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.