CVE-2009-2730
HIGH · CVSS 7.5EPSS 2.2%EU EUVD
libgnutls in GnuTLS before 2.8.2 does not properly handle a '\0' character in a domain name in the subject's (1) Common Name (CN) or (2) Subject Alternative Name (SAN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.
Key facts
- CVSS score
- 7.5 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P- Weakness (CWE)
- CWE-310
- EPSS score
- 2.2% (82th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-2721)
- Published
- August 12, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-2721 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
- gnu / gnutls
and 71 more…
References
- http://article.gmane.org/gmane.network.gnutls.general/1733(Vendor Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2009-09/msg00001.html
- http://secunia.com/advisories/36266(Vendor Advisory)
- http://secunia.com/advisories/36496
- http://www.openwall.com/lists/oss-security/2009/08/14/6
- http://www.redhat.com/support/errata/RHSA-2009-1232.html
- http://www.securityfocus.com/archive/1/507985/100/0/threaded
- http://www.securitytracker.com/id?1022777
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/52404
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10778
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8409
- https://rhn.redhat.com/errata/RHSA-2010-0095.html
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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