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CVE-2013-6413

19
FAUCET Score

CVE-2013-6413 describes a use-after-free vulnerability in UnrealIRCd versions prior to 3.2.10.2, which could lead to a denial of service (crash) via unspecified remote vectors. This vulnerability has a CVSS score of 5.0, indicating a medium severity with low attack complexity and no authentication required, primarily impacting availability. 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
3.2.10CPE matchmatch criteria
cpe:2.3:a:unrealircd:unrealircd:3.2.10:*:*:*:*:*:*:*
3.2.10.1CPE matchmatch criteria
cpe:2.3:a:unrealircd:unrealircd:3.2.10.1:*:*:*:*:*:*:*

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
2.37%
Probability of exploitation in next 30 days
EPSS Percentile
82.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0237 is in the 73rd 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

Remediation records are not available for this CVE.

References

forums.unrealircd.com / viewtopic.php
Vendor Advisory
seclists.org / oss-sec/2013/q4/379
seclists.org / oss-sec/2013/q4/383
unrealircd.com / txt/unreal3_2_10_2_release_notes.txt