CVE-2015-1796
CVE-2015-1796 is a medium-severity vulnerability in Shibboleth Identity Provider with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-254.
Key facts
- Severity: Medium (CVSS 2.0 base score 4.3)
- EPSS exploit prediction: 1% (66th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-254
- Affected product: Shibboleth Identity Provider
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2015-1796?
- CVE-2015-1796 has a CVSS 2.0 base score of 4.3, rated medium severity.
- Is CVE-2015-1796 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2015-1796?
- CVE-2015-1796 primarily affects Shibboleth Identity Provider. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2015-1796?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2015-1796 published?
- CVE-2015-1796 was published on 2015-07-08 and last updated on 2026-06-17.
References
- http://rhn.redhat.com/errata/RHSA-2015-1176.html
- http://rhn.redhat.com/errata/RHSA-2015-1177.html
- http://www.securityfocus.com/bid/75370
- https://shibboleth.net/community/advisories/secadv_20150225.txt
Affected products (2)
- cpe:2.3:a:shibboleth:identity_provider:*:*:*:*:*:*:*:*
- cpe:2.3:a:shibboleth:opensaml_java:*:*:*:*:*:*:*:*
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