CVE-2013-2155

Apache Santuario XML Security for C++ (aka xml-security-c) before 1.7.1 does not properly validate length values, which allows remote attackers to cause a denial of service or bypass the CVE-2009-0217 protection mechanism and spoof a signature via crafted length values to the (1) compareBase64StringToRaw, (2) DSIGAlgorithmHandlerDefault, or (3) DSIGAlgorithmHandlerDefault::verify functions.

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-2013-2155 is rated Moderate Risk (50.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.57%). 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-2013-2155

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 2.33% 1.57% -0.76%
2 2025-03-29 1.57% 2.33% +0.76%
3 2025-03-17 — 1.57% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-2155

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 4.9 [email protected]

Weakness enumeration for CVE-2013-2155

OS Trackers for CVE-2013-2155

vendor priority summary link
debian not yet assigned CVE-2013-2155 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-2013-2155
ubuntu medium CVE-2013-2155 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-2013-2155

Affected software / configurations for CVE-2013-2155

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-2013-2155

cvelogic Threat Intelligence