{"action":"Upgrade accesscontrol to 4.3 or later.","affected":[{"fixed":"4.3","introduced":"4.0"},{"fixed":"5.2","introduced":"5.0"}],"component":"accesscontrol","cve_ids":["CVE-2021-32807"],"ecosystem":"PyPI","epss":0.02049,"exploited":false,"fixed_versions":["4.3","5.2"],"ghsa_id":"GHSA-qcx9-j53g-ccgf","id":"tcs_01M5KFVX00F2N9PBZH2Q4GGCTD","modified_at":"2026-07-09T16:56:14.762787976Z","published_at":"2021-08-05T17:01:30Z","references":["https://osv.dev/vulnerability/GHSA-qcx9-j53g-ccgf","https://github.com/zopefoundation/AccessControl/security/advisories/GHSA-qcx9-j53g-ccgf","https://github.com/zopefoundation/Zope/security/advisories/GHSA-g4gq-j4p2-j8fr","https://nvd.nist.gov/vuln/detail/CVE-2021-32807","https://github.com/zopefoundation/AccessControl/commit/ae2dab0cc34e6dd1561c5b12d4a56cd140f87e1d","https://github.com/zopefoundation/AccessControl/commit/b42dd4badf803bb9fb71ac34cd9cb0c249262f2c","https://github.com/zopefoundation/Zope/commit/869f947e586517566509e0ccdd4d99b60704cc02","https://github.com/zopefoundation/Zope/commit/f72a18dda8e9bf2aedb46168761668464a4be988","https://github.com/pypa/advisory-database/tree/main/vulns/accesscontrol/PYSEC-2021-335.yaml","https://github.com/pypa/advisory-database/tree/main/vulns/accesscontrol/PYSEC-2021-370.yaml","https://github.com/pypa/advisory-database/tree/main/vulns/zope/PYSEC-2021-368.yaml","https://github.com/pypa/advisory-database/tree/main/vulns/zope/PYSEC-2021-875.yaml","https://github.com/zopefoundation/AccessControl","https://github.com/zopefoundation/AccessControl/blob/master/CHANGES.rst#51-2021-07-30"],"severity":{"label":"medium","score":4.4},"sources":[{"source":"osv","source_id":"GHSA-qcx9-j53g-ccgf","url":"https://osv.dev/vulnerability/GHSA-qcx9-j53g-ccgf"}],"summary":"Remote Code Execution via unsafe classes in otherwise permitted modules"}