CVE-2013-2156

Heap-based buffer overflow in the Exclusive Canonicalization functionality (xsec/canon/XSECC14n20010315.cpp) in Apache Santuario XML Security for C++ (aka xml-security-c) before 1.7.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted PrefixList attribute.

Published: 2013-08-20 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-2156 is rated Moderate Risk (58.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.20%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2013-2156

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 5.15% 3.20% -1.94%
2 2025-03-29 3.20% 5.15% +1.94%
3 2025-03-17 — 3.20% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-2156

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2013-2156

OS Trackers for CVE-2013-2156

vendor priority summary link
debian not yet assigned CVE-2013-2156 not yet assigned priority: Debian including 1 source packages (xml-security-c), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2013-2156
ubuntu medium CVE-2013-2156 medium priority: Ubuntu including 1 source packages (xml-security-c), 5 status rows across 5 suites (lucid, precise, quantal, raring, upstream): released 5. https://ubuntu.com/security/CVE-2013-2156

Affected software / configurations for CVE-2013-2156

Vendor Product Version Raw CPE
apache xml_security_for_c\+\+ <= 1.7.0 cpe:2.3:a:apache:xml_security_for_c\+\+:*:*:*:*:*:*:*:*
apache xml_security_for_c\+\+ 0.1.0 cpe:2.3:a:apache:xml_security_for_c\+\+:0.1.0:*:*:*:*:*:*:*
apache xml_security_for_c\+\+ 0.2.0 cpe:2.3:a:apache:xml_security_for_c\+\+:0.2.0:*:*:*:*:*:*:*
apache xml_security_for_c\+\+ 1.1.0 cpe:2.3:a:apache:xml_security_for_c\+\+:1.1.0:*:*:*:*:*:*:*
apache xml_security_for_c\+\+ 1.2.0 cpe:2.3:a:apache:xml_security_for_c\+\+:1.2.0:*:*:*:*:*:*:*
apache xml_security_for_c\+\+ 1.2.1 cpe:2.3:a:apache:xml_security_for_c\+\+:1.2.1:*:*:*:*:*:*:*
apache xml_security_for_c\+\+ 1.3.0 cpe:2.3:a:apache:xml_security_for_c\+\+:1.3.0:*:*:*:*:*:*:*
apache xml_security_for_c\+\+ 1.3.1 cpe:2.3:a:apache:xml_security_for_c\+\+:1.3.1:*:*:*:*:*:*:*
apache xml_security_for_c\+\+ 1.4.0 cpe:2.3:a:apache:xml_security_for_c\+\+:1.4.0:*:*:*:*:*:*:*
apache xml_security_for_c\+\+ 1.5.0 cpe:2.3:a:apache:xml_security_for_c\+\+:1.5.0:*:*:*:*:*:*:*
apache xml_security_for_c\+\+ 1.5.1 cpe:2.3:a:apache:xml_security_for_c\+\+:1.5.1:*:*:*:*:*:*:*
apache xml_security_for_c\+\+ 1.6.0 cpe:2.3:a:apache:xml_security_for_c\+\+:1.6.0:*:*:*:*:*:*:*
apache xml_security_for_c\+\+ 1.6.1 cpe:2.3:a:apache:xml_security_for_c\+\+:1.6.1:*:*:*:*:*:*:*

References for CVE-2013-2156

cvelogic Threat Intelligence