{"id":"CVE-2021-32163","aliases":["GHSA-5vx9-j5cw-47vq","GO-2023-1582"],"url":"https://o3.security/vulnerability/CVE-2021-32163","summary":"Privilege escalation in MOSN","details":"Authentication vulnerability in MOSN before v.0.23.0 allows attacker to escalate privileges via case-sensitive JWT authorization.","published":"2023-02-17T18:15:10.917Z","modified":"2026-07-08T22:13:44.184323Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.00946,"percentile":0.59362,"asOf":"2026-09-16"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Go","name":"mosn.io/mosn","fixedVersion":"0.23.0"}],"fix":{"url":"https://github.com/mosn/mosn/pull/1637","label":"mosn/mosn#1637"},"references":[{"type":"REPORT","url":"https://github.com/mosn/mosn/issues/1633"},{"type":"FIX","url":"https://github.com/mosn/mosn/pull/1637"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32163"},{"type":"PACKAGE","url":"https://github.com/mosn/mosn"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T22:13:44.184323Z"}}