CVE-2011-1411

CVE-2011-1411 is a medium-severity vulnerability in Shibboleth Opensaml with a CVSS 2.0 base score of 5.8. 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-287.

Key facts

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."

Frequently asked questions

What is CVE-2011-1411?
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."
How severe is CVE-2011-1411?
CVE-2011-1411 has a CVSS 2.0 base score of 5.8, rated medium severity.
Is CVE-2011-1411 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1411?
CVE-2011-1411 primarily affects Shibboleth Opensaml. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1411?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1411 published?
CVE-2011-1411 was published on 2011-09-02 and last updated on 2026-06-16.

References

Affected products (15)

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