{"cve":"CVE-2021-32163","nvd":{"published":"2023-02-17T18:15:10.917","modified":"2026-06-17T03:52:49.680","status":"Modified","description":"Authentication vulnerability in MOSN v.0.23.0 allows attacker to escalate privileges via case-sensitive JWT authorization.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-863"],"references":["https://github.com/mosn/mosn/issues/1633","https://github.com/mosn/mosn/pull/1637","https://github.com/mosn/mosn/issues/1633","https://github.com/mosn/mosn/pull/1637"],"products":["linuxfoundation:modular_open_smart_network"],"source":"nvd","synced_at":"2026-10-19T21:37:38.595364862+00:00"},"epss":{"cve":"CVE-2021-32163","score":0.00946,"percentile":0.61113,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-5vx9-j5cw-47vq","url":"https://osv.dev/vulnerability/GHSA-5vx9-j5cw-47vq","summary":"Privilege escalation in MOSN","modified":"2024-08-20T20:58:55.220096Z","packages":[{"ecosystem":"Go","name":"mosn.io/mosn","purl":"pkg:golang/mosn.io/mosn","ranges":["<0.23.0"],"fixed":["0.23.0"]}]},{"id":"GO-2023-1582","url":"https://osv.dev/vulnerability/GO-2023-1582","summary":"Privilege escalation in MOSN in mosn.io/mosn","modified":"2026-03-03T04:53:22.427428Z","packages":[{"ecosystem":"Go","name":"mosn.io/mosn","purl":"pkg:golang/mosn.io/mosn","ranges":["<0.23.0"],"fixed":["0.23.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}