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CVE-2013-2156

22
FAUCET Score

CVE-2013-2156 describes a heap-based buffer overflow in the Exclusive Canonicalization functionality of Apache Santuario XML Security for C++ (xml-security-c) versions prior to 1.7.1. This vulnerability allows remote attackers to cause a denial of service (crash) and potentially execute arbitrary code through a crafted PrefixList attribute. With a CVSS score of 7.5, this vulnerability is considered high severity, requiring no authentication and having low attack complexity. Its potential impact includes partial confidentiality, integrity, and availability compromise. There is no evidence of active exploitation, nor are there known public exploits available in Metasploit, Nuclei, or ExploitDB. The vulnerability has received minimal community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.7.0CPE matchmatch criteria
cpe:2.3:a:apache:xml_security_for_c\+\+:*:*:*:*:*:*:*:*
0.1.0CPE matchmatch criteria
cpe:2.3:a:apache:xml_security_for_c\+\+:0.1.0:*:*:*:*:*:*:*
0.2.0CPE matchmatch criteria
cpe:2.3:a:apache:xml_security_for_c\+\+:0.2.0:*:*:*:*:*:*:*
1.1.0CPE matchmatch criteria
cpe:2.3:a:apache:xml_security_for_c\+\+:1.1.0:*:*:*:*:*:*:*
1.2.0CPE matchmatch criteria
cpe:2.3:a:apache:xml_security_for_c\+\+:1.2.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
8.40%
Probability of exploitation in next 30 days
EPSS Percentile
94.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0840 is in the 91st percentile among its peer group of 51,485 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, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

archives.neohapsis.com / archives/fulldisclosure/2013-06/0143.html
santuario.apache.org / secadv.data/CVE-2013-2156.txt
lists.apache.org / thread.html/680e6938b6412e26d5446054fd31de2011d33af11786b989127d1cc3%40%3Ccommits.santuario.apache.org%3E
lists.apache.org / thread.html/r1c07a561426ec5579073046ad7f4207cdcef452bb3100abaf908e0cd%40%3Ccommits.santuario.apache.org%3E
svn.apache.org / viewvc
Patch
tenable.com / security/tns-2018-15
debian.org / security/2013/dsa-2710