5.8

CVE-2011-1411: shibboleth opensaml Improper Authentication

CVSS: 5.8v2.0MediumModified
AliasesDSA-2284-1GHSA-qwwj-qj3f-9hv7
Published 02-09-2011Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2011-1411 is a medium (CVSS 5.8) Improper Authentication vulnerability in shibboleth opensaml. EPSS estimates a 2.29% chance of exploitation in the next 30 days, higher than 82.9% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
5.8/10
010
Medium · v2.0 (NVD)
EPSS score
2.29%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 02-09-2011
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Shibboleth OpenSAML library 2.4.x before 2.4.3 and 2.5.x before 2.5.1, and IdP before 2.3.2, allows remote attackers to forge messages and bypass authentication via an "XML Signature wrapping attack."

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

2.29%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

0.00 pp

From 2.29% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.29%

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
Debian1 product
  • opensaml2< 2.3-2+squeeze1 | < 2.0-2+lenny3
Org.opensaml1 product
  • opensaml≥ 2.4.0, < 2.4.3 | ≥ 2.5.0, < 2.5.1

3 vendors · 4 products

References

6 links