{"id":"CVE-2021-28963","aliases":["DEBIAN-CVE-2021-28963","DLA-2599-1","DSA-4872-1","EUVD-2021-15612","GHSA-6jjj-9g6r-j2vh","UBUNTU-CVE-2021-28963","USN-4925-1"],"status":"published","title":"Shibboleth Service Provider before 3.2.1 allows content injection because template generation...","description":"Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01305,"percentile":0.7091,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-74"],"published":"2021-03-18T00:00:00Z","modified":"2026-10-23T18:02:46Z","fixes":[{"ecosystem":"Debian:12","package":"shibboleth-sp","fixed_in":["3.2.1+dfsg1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"shibboleth-sp","fixed_in":["3.2.1+dfsg1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"shibboleth-sp","fixed_in":["3.2.1+dfsg1-1"],"sources":["osv"]},{"ecosystem":"Debian:9","package":"shibboleth-sp2","fixed_in":["2.6.0+dfsg1-4+deb9u2"],"sources":["osv"]},{"ecosystem":"Debian:10","package":"shibboleth-sp","fixed_in":["3.0.4+dfsg1-1+deb10u1"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"shibboleth-sp","fixed_in":["3.0.4+dfsg1-1ubuntu0.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"shibboleth-sp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.1+dfsg1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"shibboleth-sp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.1+dfsg1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"shibboleth-sp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.1+dfsg1-1"}]}]},{"source":"osv","ecosystem":"Debian:9","package":"shibboleth-sp2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.0+dfsg1-4+deb9u2"}]}],"versions":["2.6.0+dfsg1-4","2.6.0+dfsg1-4+deb9u1","2.6.0+dfsg1-4+deb9u1~bpo8+1"]},{"source":"osv","ecosystem":"Debian:10","package":"shibboleth-sp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.4+dfsg1-1+deb10u1"}]}],"versions":["3.0.4+dfsg1-1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"shibboleth-sp2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.5.3+dfsg-2.1build1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"shibboleth-sp2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.6.0+dfsg1-4","2.6.0+dfsg1-5","2.6.0+dfsg1-5build1","2.6.1+dfsg1-1","2.6.1+dfsg1-2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"shibboleth-sp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.4+dfsg1-1ubuntu0.1"}]}],"versions":["3.0.4+dfsg1-1","3.0.4+dfsg1-1build1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"shibboleth-sp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.2+dfsg1-1ubuntu1","3.3.0+dfsg1-1","3.3.0+dfsg1-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"shibboleth-sp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.4+dfsg1-1ubuntu0.1"}]}],"versions":["3.0.4+dfsg1-1","3.0.4+dfsg1-1build1"]}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"shibboleth","product":"service_provider"}],"references":[{"url":"https://bugs.debian.org/985405","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory","advisory","report"]},{"url":"https://shibboleth.net/community/advisories/secadv_20210317.txt","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://issues.shibboleth.net/jira/browse/SSPCPP-922","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","Vendor Advisory","fix","report"]},{"url":"https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%3Bh=d1dbebfadc1bdb824fea63843c4c38fa69e54379","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://www.debian.org/security/2021/dsa-4872","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28963"},{"url":"https://git.shibboleth.net/view/?p=cpp-sp.git;a=commit;h=d1dbebfadc1bdb824fea63843c4c38fa69e54379","tags":["report"]},{"url":"https://github.com/advisories/GHSA-6jjj-9g6r-j2vh"},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-28963","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-28963","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-4925-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-28963","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-28963","description":"Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters.","status":"published","published":"2021-03-22T07:02:05Z","modified":"2024-08-03T21:55:12.374Z","updated_at":"2026-11-02T14:33:09.175141Z"}],"euvd":[{"id":"EUVD-2021-15612","description":"Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters.","status":"published","published":"2021-03-22T07:02:05Z","modified":"2024-08-03T21:55:12Z","updated_at":"2026-11-03T03:24:45.541615Z"}],"ghsa":[{"id":"GHSA-6jjj-9g6r-j2vh","title":"Shibboleth Service Provider before 3.2.1 allows content injection because template generation...","description":"Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters.","status":"published","published":"2022-05-24T17:45:03Z","modified":"2024-04-11T21:07:31Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:57:06.932158Z"}],"nvd":[{"id":"CVE-2021-28963","description":"Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters.","status":"published","published":"2021-03-22T08:15:13.247Z","modified":"2026-06-17T03:47:05.517Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:06:50.805771Z"}],"osv":[{"id":"CVE-2021-28963","description":"Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters.","status":"published","published":"2021-03-22T08:15:13.247Z","modified":"2026-03-15T22:40:05.923428Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:19.129331Z"},{"id":"DEBIAN-CVE-2021-28963","description":"Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters.","status":"published","published":"2021-03-22T08:15:13.247Z","modified":"2026-10-23T18:02:46.541028746Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:34.94143Z"},{"id":"UBUNTU-CVE-2021-28963","description":"Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters.","status":"published","published":"2021-03-22T08:15:00Z","modified":"2026-09-15T20:16:38.414609663Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:26.779273Z"},{"id":"DLA-2599-1","title":"shibboleth-sp2 - security update","status":"published","published":"2021-03-19T00:00:00Z","modified":"2026-03-09T01:21:20.972307Z","updated_at":"2026-11-02T15:46:10.712745Z"},{"id":"DSA-4872-1","title":"shibboleth-sp - security update","status":"published","published":"2021-03-18T00:00:00Z","modified":"2026-03-09T02:09:29.786178Z","updated_at":"2026-11-02T15:46:17.19998Z"},{"id":"USN-4925-1","title":"shibboleth-sp vulnerability","description":"Toni Huttunen and Fraktal Oy discovered that the Shibboleth Service\nprovider allowed content injection due to allowing attacker-controlled\nparameters in error or other status pages. An attacker could use this to\ninject malicious content.\n","status":"published","published":"2021-04-22T23:01:39Z","modified":"2026-04-27T15:52:57.617361Z","updated_at":"2026-11-02T16:58:15.159055Z"}]}}