{"action":"Upgrade org.pac4j:pac4j-oidc to 4.5.5 (4.x) or 5.3.1 (5.x) or later.","affected":[{"fixed":"4.5.5","introduced":"0"},{"fixed":"5.3.1","introduced":"5.0"}],"component":"org.pac4j:pac4j-oidc","cve_ids":["CVE-2021-44878"],"ecosystem":"Maven","epss":0.00925,"exploited":false,"fixed_versions":["4.5.5","5.3.1"],"ghsa_id":"GHSA-xhw6-hjc9-679m","id":"tcs_01M5N9JEA586AGAC16YCZM6EJV","modified_at":"2024-02-16T08:23:56.582364Z","published_at":"2022-01-08T00:36:05Z","references":["https://osv.dev/vulnerability/GHSA-xhw6-hjc9-679m","https://nvd.nist.gov/vuln/detail/CVE-2021-44878","https://github.com/pac4j/pac4j/commit/09684e0de1c4753d22c53b8135d4ef61cfda76f7","https://github.com/pac4j/pac4j/commit/22b82ffd702a132d9f09da60362fc6264fc281ae","https://github.com/pac4j/pac4j/commit/9c87bbc536ed5d05f940ae015403120df2935589","https://github.com/pac4j/pac4j","https://openid.net/specs/openid-connect-core-1_0.html#IDToken","https://www.pac4j.org/4.5.x/docs/release-notes.html","https://www.pac4j.org/blog/cve_2021_44878_is_this_serious.html"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-xhw6-hjc9-679m","url":"https://osv.dev/vulnerability/GHSA-xhw6-hjc9-679m"}],"summary":"Pac4j token validation bypass if OpenID Connect provider supports none algorithm"}