{"id":"GHSA-rm66-9gh4-4gp8","summary":"cggmp21 vulnerable to ambiguous challenge derivation","details":"Challenge derivation in non-interactive ZK proofs was ambiguous and that could lead to security vulnerability (however, it's unknown if it could be exploited).\n","aliases":["RUSTSEC-2024-0393"],"modified":"2025-10-28T06:29:26.069465Z","published":"2024-11-12T20:54:58Z","database_specific":{"severity":"LOW","github_reviewed":true,"github_reviewed_at":"2024-11-12T20:54:58Z","nvd_published_at":null,"cwe_ids":["CWE-327"]},"references":[{"type":"WEB","url":"https://github.com/dfns/cggmp21/pull/103"},{"type":"PACKAGE","url":"https://github.com/LFDT-Lockness/cggmp21"},{"type":"WEB","url":"https://rustsec.org/advisories/RUSTSEC-2024-0393.html"}],"affected":[{"package":{"name":"cggmp21","ecosystem":"crates.io","purl":"pkg:cargo/cggmp21"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.4.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/11/GHSA-rm66-9gh4-4gp8/GHSA-rm66-9gh4-4gp8.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U"}]}