How severe is CVE-2013-6800?

CVE-2013-6800 has a CVSS 2.0 base score of 4.0, rated medium severity.

Is CVE-2013-6800 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-6800?

CVE-2013-6800 primarily affects Mit Kerberos. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-6800?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-6800 published?

CVE-2013-6800 was published on 2013-11-18 and last updated on 2026-06-17.

CVE-2013-6800

CVE-2013-6800 is a medium-severity vulnerability in Mit Kerberos with a CVSS 2.0 base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.0)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Mit Kerberos
Published: 2013-11-18
Last modified: 2026-06-17

Description

An unspecified third-party database module for the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.10.x allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted request, a different vulnerability than CVE-2013-1418.

Frequently asked questions

What is CVE-2013-6800?: An unspecified third-party database module for the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.10.x allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted request, a different vulnerability than CVE-2013-1418.
How severe is CVE-2013-6800?: CVE-2013-6800 has a CVSS 2.0 base score of 4.0, rated medium severity.
Is CVE-2013-6800 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-6800?: CVE-2013-6800 primarily affects Mit Kerberos. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-6800?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-6800 published?: CVE-2013-6800 was published on 2013-11-18 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:a:mit:kerberos:5-1.10.5:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos:5-1.10.6:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos:5-1.10.7:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.10:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.10.1:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.10.2:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.10.3:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.10.4:*:*:*:*:*:*:*

More vulnerabilities in Mit Kerberos

CVE-2009-4212 — Critical (CVSS 10.0): Multiple integer underflows in the (1) AES and (2) RC4 decryption functionality in the crypto library in MIT Kerberos 5…
CVE-2004-0523 — Critical (CVSS 10.0): Multiple buffer overflows in krb5_aname_to_localname for MIT Kerberos 5 (krb5) 1.3.3 and earlier allow remote attackers…
CVE-2001-0554 — Critical (CVSS 10.0): Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows remote attackers to execute…
CVE-2000-0389 — Critical (CVSS 10.0): Buffer overflow in krb_rd_req function in Kerberos 4 and 5 allows remote attackers to gain root privileges.
CVE-2000-0390 — Critical (CVSS 10.0): Buffer overflow in krb425_conv_principal function in Kerberos 5 allows remote attackers to gain root privileges.
CVE-2000-0391 — Critical (CVSS 10.0): Buffer overflow in krshd in Kerberos 5 allows remote attackers to gain root privileges.

All CVEs affecting Mit Kerberos →