{"id":"CVE-2011-1411","aliases":["DEBIAN-CVE-2011-1411","DSA-2284-1","EUVD-2022-5052","GHSA-qwwj-qj3f-9hv7"],"status":"published","title":"Improper Authentication in OpenSAML","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.\"","severity":{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.02291,"percentile":0.83338,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2011-07-25T00:00:00Z","modified":"2026-06-16T23:29:17Z","fixes":[{"ecosystem":"Maven","package":"org.opensaml:opensaml","fixed_in":["2.4.3","2.5.1"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:6.0","package":"opensaml2","fixed_in":["2.3-2+squeeze1"],"sources":["osv"]},{"ecosystem":"Debian:5.0","package":"opensaml2","fixed_in":["2.0-2+lenny3"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.opensaml:opensaml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.4.0"},{"fixed":"2.4.3"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.opensaml:opensaml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.5.0"},{"fixed":"2.5.1"}]}]},{"source":"osv","ecosystem":"Debian:6.0","package":"opensaml2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3-2+squeeze1"}]}],"versions":["2.3-2","2.3-2+squeeze1~bpo50+1"]},{"source":"osv","ecosystem":"Debian:5.0","package":"opensaml2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0-2+lenny3"}]}],"versions":["2.0-2","2.0-2+lenny1","2.0-2+lenny2"]},{"source":"osv","ecosystem":"Maven","package":"org.opensaml:opensaml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.4.0"},{"fixed":"2.4.3"}]}],"versions":["2.4.1"]},{"source":"osv","ecosystem":"Maven","package":"org.opensaml:opensaml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.5.0"},{"fixed":"2.5.1"}]}]}],"products":[{"vendor":"shibboleth","product":"opensaml"},{"vendor":"shibboleth","product":"shibboleth-identity-provider"}],"references":[{"url":"http://shibboleth.internet2.edu/secadv/secadv_20110725.txt","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","web"]},{"url":"http://www.debian.org/security/2011/dsa-2284","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","web"]},{"url":"http://secunia.com/advisories/50994","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.oracle.com/technetwork/topics/security/cpuoct2012-1515893.html","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2013:150","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1411","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-qwwj-qj3f-9hv7"}],"sources":{"cve":[{"id":"CVE-2011-1411","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.\"","status":"published","published":"2011-09-02T23:00:00Z","modified":"2024-08-06T22:28:40.875Z","updated_at":"2026-11-02T14:35:38.711857Z"}],"euvd":[{"id":"EUVD-2022-5052","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.\"","status":"published","published":"2011-09-02T23:00:00Z","modified":"2024-08-06T22:28:40Z","updated_at":"2026-11-03T01:55:56.688775Z"}],"ghsa":[{"id":"GHSA-qwwj-qj3f-9hv7","title":"Improper Authentication in OpenSAML","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.\"","status":"published","published":"2022-05-17T05:02:41Z","modified":"2023-01-27T05:02:22Z","cwes":["CWE-287"],"updated_at":"2026-11-02T14:36:17.742171Z"}],"nvd":[{"id":"CVE-2011-1411","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.\"","status":"published","published":"2011-09-02T23:55:04.24Z","modified":"2026-06-16T23:29:17.75Z","cvss":[{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:02:09.988332Z"}],"osv":[{"id":"DSA-2284-1","title":"opensaml2 - implementation error","status":"published","published":"2011-07-25T00:00:00Z","modified":"2026-03-09T01:21:33.406809Z","updated_at":"2026-11-02T15:46:15.108335Z"},{"id":"GHSA-qwwj-qj3f-9hv7","title":"Improper Authentication in OpenSAML","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.\"","status":"published","published":"2022-05-17T05:02:41Z","modified":"2024-12-07T05:39:37.210445Z","cwes":["CWE-287"],"updated_at":"2026-11-02T15:46:55.122811Z"}]}}