{"id":"CVE-2020-24036","title":"PHP object injection in the Ajax endpoint of the backend in ForkCMS below version 5.8.3 allows an authenticated remote user to execute malicious code.","summary":"PHP object injection in the Ajax endpoint of the backend in ForkCMS below version 5.8.3 allows an authenticated remote user to execute malicious code.","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-502"],"vendor":"fork-cms","product":"fork_cms","affected":["fork_cms < 5.8.3"],"patched":["fork_cms 5.8.3"],"published":"2021-03-04","updated":"2026-07-05","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2020-24036","references":[{"url":"http://packetstormsecurity.com/files/161764/ForkCMS-PHP-Object-Injection.html","label":"cve@mitre.org"},{"url":"http://seclists.org/fulldisclosure/2021/Mar/31","label":"cve@mitre.org"},{"url":"https://tech.feedyourhead.at/content/ForkCMS-PHP-Object-Injection-CVE-2020-24036","label":"cve@mitre.org"},{"url":"https://www.ait.ac.at/themen/cyber-security/pentesting/security-advisories/ait-sa-20210215-04","label":"cve@mitre.org"},{"url":"http://forkcms.com","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/fulldisclosure/2021/Mar/31","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://tech.feedyourhead.at/content/ForkCMS-PHP-Object-Injection-CVE-2020-24036","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.ait.ac.at/themen/cyber-security/pentesting/security-advisories/ait-sa-20210215-04","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.0296,"epssPercentile":0.86604,"ingestedAt":"2026-07-05T00:59:25.825Z","slug":"CVE-2020-24036","body":"## Overview\n\nPHP object injection in the Ajax endpoint of the backend in ForkCMS below version 5.8.3 allows an authenticated remote user to execute malicious code.\n\n## Affected\n\n- `fork_cms < 5.8.3`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `fork_cms 5.8.3`","depth":"twilight","depthScore":49,"depthScoreParts":{"impact":48.4,"likelihood":0.6,"exploitation":0,"ransomware":0},"changes":[]}