{"id":"CVE-2021-23592","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-23592","generatedAt":"2026-10-27T20:20:59.372Z","title":"The package topthink/framework before 6.0.12 are vulnerable to Deserialization of Untrusted Data due to insecure unserialize method in the Driver class.","description":"The package topthink/framework before 6.0.12 are vulnerable to Deserialization of Untrusted Data due to insecure unserialize method in the Driver class.","published":"2022-05-06T20:15:08.000Z","lastModified":"2026-06-17T03:38:50.000Z","status":"Modified","sourceIdentifier":"report@snyk.io","cvss":{"version":"3.1","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"},"cwe":["CWE-502"],"affected":["thinkphp/thinkphp"],"epss":{"score":0.01731,"percentile":0.77457,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/top-think/framework/commit/d3b5aeae94bc71bae97977d05cd12c3e0550905c","tags":["Patch","Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://github.com/top-think/framework/releases/tag/v6.0.12","tags":["Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://snyk.io/vuln/SNYK-PHP-TOPTHINKFRAMEWORK-2385695","tags":["Third Party Advisory"],"source":"report@snyk.io"},{"url":"https://github.com/top-think/framework/commit/d3b5aeae94bc71bae97977d05cd12c3e0550905c","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/top-think/framework/releases/tag/v6.0.12","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://snyk.io/vuln/SNYK-PHP-TOPTHINKFRAMEWORK-2385695","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-23592","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}