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CVE-2010-1320

29
FAUCET Score

CVE-2010-1320 is a double free vulnerability in the Key Distribution Center (KDC) of MIT Kerberos 5 versions 1.7.x and 1.8.x before 1.8.2. This flaw allows remote authenticated users to trigger a denial of service (daemon crash) or potentially execute arbitrary code through specially crafted ticket renewal or validation requests. The vulnerability has a CVSS score of 4.0, indicating a medium severity, with a low attack complexity and requiring authentication. Its primary impact is a denial of service, though arbitrary code execution is a possibility. While there is no evidence of active exploitation (not in KEV or Hot List), an exploit for this vulnerability is available on ExploitDB. Despite this, there is minimal community discussion or media coverage surrounding CVE-2010-1320.

Impacted Technologies

VendorProductVersion(s)CPE
1.7CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.7:*:*:*:*:*:*:*
1.7.1CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.7.1:*:*:*:*:*:*:*
1.8CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.8:*:*:*:*:*:*:*
1.8.1CPE matchmatch criteria
cpe:2.3:a:mit:kerberos_5:1.8.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.0MEDIUM

AV:N/AC:L/Au:S/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
11.86%
Probability of exploitation in next 30 days
EPSS Percentile
95.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
ExploitDB: EDB-33855 · Apr 20, 2010
This CVE's current EPSS score of 0.1186 is in the 99th percentile among its peer group of 21,977 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2010-1320Important

krb5: double-free vulnerability in 1.7+

Apr 20, 2010

References

bugs.debian.org / cgi-bin/bugreport.cgi
lists.apple.com / archives/security-announce/2010//Jun/msg00001.html
lists.opensuse.org / opensuse-security-announce/2010-04/msg00006.html
secunia.com / advisories/39656
secunia.com / advisories/39784
secunia.com / advisories/40220
securitytracker.com / id
support.apple.com / kb/HT4188
web.mit.edu / kerberos/advisories/MITKRB5-SA-2010-004.txt
securityfocus.com / archive/1/510843/100/0/threaded
securityfocus.com / bid/39599
Exploit
ubuntu.com / usn/USN-940-1
vupen.com / english/advisories/2010/1001
vupen.com / english/advisories/2010/1192
vupen.com / english/advisories/2010/1481