Is CVE-2008-4989 being actively exploited?

CVE-2008-4989 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2008-4989?

CVE-2008-4989 has a CVSS 3.1 base score of 5.9 (MEDIUM).

CVE-2008-4989

MEDIUM · CVSS 5.9EPSS 1.9%EU EUVD

The _gnutls_x509_verify_certificate function in lib/x509/verify.c in libgnutls in GnuTLS before 2.6.1 trusts certificate chains in which the last certificate is an arbitrary trusted, self-signed certificate, which allows man-in-the-middle attackers to insert a spoofed certificate for any Distinguished Name (DN).

Key facts

CVSS score: 5.9 (v3.1)
Severity: MEDIUM
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness (CWE): CWE-295
EPSS score: 1.9% (80th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2008-4968)
Published: November 13, 2008
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2008-4968 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
fedoraproject / fedora
fedoraproject / fedora
gnu / gnutls
opensuse / opensuse
suse / linux enterprise
suse / linux enterprise
suse / linux enterprise server
suse / linux enterprise server

References

http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3215(Broken Link, Patch)
http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3217(Broken Link)
http://lists.opensuse.org/opensuse-security-announce/2008-12/msg00002.html(Mailing List)
http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00010.html(Mailing List)
http://secunia.com/advisories/32619(Broken Link, Vendor Advisory)
http://secunia.com/advisories/32681(Broken Link)
http://secunia.com/advisories/32687(Broken Link)
http://secunia.com/advisories/32879(Broken Link)
http://secunia.com/advisories/33501(Broken Link)
http://secunia.com/advisories/33694(Broken Link)
http://secunia.com/advisories/35423(Broken Link)
http://security.gentoo.org/glsa/glsa-200901-10.xml(Third Party Advisory)
http://sunsolve.sun.com/search/document.do?assetkey=1-26-260528-1(Broken Link)
http://wiki.rpath.com/Advisories:rPSA-2008-0322(Broken Link)
http://www.debian.org/security/2009/dsa-1719(Mailing List)
http://www.gnu.org/software/gnutls/security.html(Product)
http://www.mandriva.com/security/advisories?name=MDVSA-2008:227(Broken Link)
http://www.redhat.com/support/errata/RHSA-2008-0982.html(Broken Link)
http://www.securityfocus.com/archive/1/498431/100/0/threaded(Broken Link, Third Party Advisory, VDB Entry)
http://www.securityfocus.com/bid/32232(Broken Link, Patch, Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id?1021167(Broken Link, Third Party Advisory, VDB Entry)
http://www.ubuntu.com/usn/usn-678-2(Third Party Advisory)
http://www.vupen.com/english/advisories/2008/3086(Broken Link)
http://www.vupen.com/english/advisories/2009/1567(Broken Link)
https://exchange.xforce.ibmcloud.com/vulnerabilities/46482(Third Party Advisory, VDB Entry)
https://issues.rpath.com/browse/RPL-2886(Broken Link)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11650(Broken Link)
https://usn.ubuntu.com/678-1/(Broken Link)
https://www.redhat.com/archives/fedora-package-announce/2008-November/msg00222.html(Mailing List)
https://www.redhat.com/archives/fedora-package-announce/2008-November/msg00293.html(Mailing List)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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