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CVE-2013-0336

16
FAUCET Score

CVE-2013-0336 describes a denial-of-service vulnerability affecting FreeIPA versions prior to 3.2.0, specifically within the directory server's ipapwd_chpwop function. An unauthenticated remote attacker can crash the server by sending a connection request lacking a username or distinguished name. This vulnerability has a CVSS score of 5.0, indicating a medium severity due to its network-based attack vector and low complexity, leading to a partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.1.5CPE matchmatch criteria
cpe:2.3:a:redhat:freeipa:*:*:*:*:*:*:*:*
3.0.0CPE matchmatch criteria
cpe:2.3:a:redhat:freeipa:3.0.0:*:*:*:*:*:*:*
3.0.1CPE matchmatch criteria
cpe:2.3:a:redhat:freeipa:3.0.1:*:*:*:*:*:*:*
3.0.2CPE matchmatch criteria
cpe:2.3:a:redhat:freeipa:3.0.2:*:*:*:*:*:*:*
3.1.1CPE matchmatch criteria
cpe:2.3:a:redhat:freeipa:3.1.1:*:*:*:*:*:*:*

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
2.76%
Probability of exploitation in next 30 days
EPSS Percentile
84.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0276 is in the 78th percentile among its peer group of 23,723 CVEs.

Social Chatter

No social media mentions found for this CVE.

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-2013-0336Moderate

389-ds-base: DoS when connecting with a missing username/dn

Mar 27, 2013

References

bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/52763
exchange.xforce.ibmcloud.com / vulnerabilities/83132
fedorahosted.org / freeipa/ticket/3539
Patch
git.fedorahosted.org / cgit/freeipa.git/commit
ExploitPatch
securityfocus.com / bid/58747