{"action":"Upgrade typo3/cms-core to 9.5.17 or later.","affected":[{"fixed":"9.5.17","introduced":"9.0.0"},{"fixed":"10.4.2","introduced":"10.0.0"}],"component":"typo3/cms-core","cve_ids":["CVE-2020-11066"],"ecosystem":"Packagist","epss":0.01509,"exploited":false,"fixed_versions":["9.5.17","10.4.2"],"ghsa_id":"GHSA-2rxh-h6h9-qrqc","id":"tcs_01M5KES8T3FY32VVD4Q4ZGESSN","modified_at":"2026-09-10T03:48:30.099290014Z","published_at":"2020-05-13T23:18:38Z","references":["https://osv.dev/vulnerability/GHSA-2rxh-h6h9-qrqc","https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-2rxh-h6h9-qrqc","https://nvd.nist.gov/vuln/detail/CVE-2020-11066","https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2020-11066.yaml","https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2020-11066.yaml","https://typo3.org/security/advisory/typo3-core-sa-2020-004"],"severity":{"label":"high","score":8.7},"sources":[{"source":"osv","source_id":"GHSA-2rxh-h6h9-qrqc","url":"https://osv.dev/vulnerability/GHSA-2rxh-h6h9-qrqc"}],"summary":"Class destructors causing side-effects when being unserialized in TYPO3 CMS"}