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CVE-2009-3295

38
FAUCET Score

CVE-2009-3295 describes a denial-of-service vulnerability in the MIT Kerberos 5 Key Distribution Center (KDC) versions prior to 1.7.1. A remote attacker can trigger a NULL pointer dereference and crash the KDC daemon by sending a specially crafted ticket request related to cross-realm referrals. With a CVSS score of 5.0, this vulnerability is considered medium severity, requiring no authentication and having a low attack complexity, but only impacting availability. There is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

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

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
40.34%
Probability of exploitation in next 30 days
EPSS Percentile
98.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.4034 is in the 99th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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-2009-3295Moderate

krb5: KDC denial of service in cross-realm referral processing (MITKRB5-SA-2009-003)

Dec 28, 2009

References

secunia.com / advisories/37977
Vendor Advisory
securitytracker.com / id
web.mit.edu / kerberos/advisories/MITKRB5-SA-2009-003.txt
PatchVendor Advisory
securityfocus.com / archive/1/508622/100/0/threaded
securityfocus.com / bid/37486
Patch
vupen.com / english/advisories/2009/3652
PatchVendor Advisory