4.3

CVE-2015-1796: shibboleth identity_provider 7PK - Security Features

CVSS: 4.3v2.0MediumModified
AliasesGHSA-78fq-w796-q537
Published 08-07-2015Last modified 06-08-2024

Vulnerability summary

CVE-2015-1796 is a medium (CVSS 4.3) 7PK - Security Features vulnerability in shibboleth identity_provider. EPSS estimates a 1.25% chance of exploitation in the next 30 days, higher than 68.9% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
1.25%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-07-2015
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.25%

Chance of exploitation in the next 30 days

Percentile

69%

Versus all other CVEs

30-day change

-0.01 pp

From 1.26% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.25%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Shibboleth2 products
Edu.internet2.middleware1 product
  • shibboleth-identityprovider< 2.4.4
Org.opensaml1 product
  • opensaml< 2.6.5

3 vendors · 4 products

References

5 links