Is CVE-2002-2443 being actively exploited?

CVE-2002-2443 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2002-2443?

CVE-2002-2443 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2002-2443

MEDIUM · CVSS 5.0EPSS 6.2%EU EUVD

schpw.c in the kpasswd service in kadmind in MIT Kerberos 5 (aka krb5) before 1.11.3 does not properly validate UDP packets before sending responses, which allows remote attackers to cause a denial of service (CPU and bandwidth consumption) via a forged packet that triggers a communication loop, as demonstrated by krb_pingpong.nasl, a related issue to CVE-1999-0103.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-20
EPSS score: 6.2% (94th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2002-2421)
Published: May 29, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2002-2421 in the EU Vulnerability Database. Last updated in EUVD on August 8, 2024.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
debian / debian linux
debian / debian linux
fedoraproject / fedora
fedoraproject / fedora
fedoraproject / fedora
mit / kerberos 5
opensuse / opensuse
opensuse / opensuse
opensuse / opensuse
redhat / enterprise linux desktop
redhat / enterprise linux desktop
redhat / enterprise linux eus
redhat / enterprise linux eus
redhat / enterprise linux server
redhat / enterprise linux server
redhat / enterprise linux server aus
redhat / enterprise linux workstation
redhat / enterprise linux workstation

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

Red Hat Enterprise Linux 5 OpenSSH-Server Cryptographic Module - Red Hat®, Inc. - FIPS 140 1384 - historical

References

http://krbdev.mit.edu/rt/Ticket/Display.html?id=7637(Vendor Advisory)
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105879.html(Third Party Advisory)
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105978.html(Third Party Advisory)
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106698.html(Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2013-07/msg00004.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2013-07/msg00007.html(Mailing List, Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2013-0942.html(Third Party Advisory)
http://www.debian.org/security/2013/dsa-2701(Third Party Advisory)
http://www.mandriva.com/security/advisories?name=MDVSA-2013:166(Third Party Advisory)
http://www.ubuntu.com/usn/USN-2810-1(Third Party Advisory)
https://bugzilla.redhat.com/show_bug.cgi?id=962531(Issue Tracking, Third Party Advisory)
https://github.com/krb5/krb5/commit/cf1a0c411b2668c57c41e9c4efd15ba17b6b322c(Patch, Third Party Advisory)

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

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