Vulnerability Monitor

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CVE-2015-1796

The PKIX trust engines in Shibboleth Identity Provider before 2.4.4 and OpenSAML Java (OpenSAML-J) before 2.6.5 trust candidate X.509 credentials when no trusted names are available for the entityID, which allows remote attackers to impersonate an entity via a certificate issued by a shibmd:KeyAuthority trust anchor.

Security Impact Summary

CVE-2015-1796 is a security vulnerability that . Impacting 2 products from shibboleth, from shibboleth organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2015, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2015-07-08T15:59:02.897

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.3 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-254

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	shibboleth	identity_provider	≤ 2.4.3	Yes
Application	shibboleth	opensaml_java	≤ 2.6.4	Yes

References

http://rhn.redhat.com/errata/RHSA-2015-1176.html ([email protected])
http://rhn.redhat.com/errata/RHSA-2015-1177.html ([email protected])
http://www.securityfocus.com/bid/75370 ([email protected])
https://shibboleth.net/community/advisories/secadv_20150225.txt Vendor Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2015-1176.html (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2015-1177.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/75370 (af854a3a-2127-422b-91ae-364da2661108)
https://shibboleth.net/community/advisories/secadv_20150225.txt Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For shibboleth's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.