{"id":"CVE-2019-11043","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-11043","generatedAt":"2026-10-28T21:31:48.867Z","title":"PHP FastCGI Process Manager (FPM) Buffer Overflow Vulnerability","description":"In PHP versions 7.1.x below 7.1.33, 7.2.x below 7.2.24 and 7.3.x below 7.3.11 in certain configurations of FPM setup it is possible to cause FPM module to write past allocated buffers into the space reserved for FCGI protocol data, thus opening the possibility of remote code execution.","published":"2019-10-28T15:15:14.000Z","lastModified":"2026-06-17T02:12:12.000Z","status":"Analyzed","sourceIdentifier":"security@php.net","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-120","CWE-787"],"affected":["php/php","canonical/ubuntu linux","debian/debian linux","fedoraproject/fedora","tenable/tenable.sc","redhat/software collections","redhat/enterprise linux","redhat/enterprise linux desktop","redhat/enterprise linux eus","redhat/enterprise linux eus compute node","redhat/enterprise linux for arm 64","redhat/enterprise linux for arm 64 eus","redhat/enterprise linux for ibm z systems","redhat/enterprise linux for ibm z systems eus","redhat/enterprise linux for power big endian","redhat/enterprise linux for power big endian eus","redhat/enterprise linux for power little endian","redhat/enterprise linux for power little endian eus","redhat/enterprise linux for scientific computing","redhat/enterprise linux server","redhat/enterprise linux server aus","redhat/enterprise linux server tus","redhat/enterprise linux workstation"],"epss":{"score":0.99748,"percentile":0.99954,"date":"2026-10-27","history":[]},"kev":{"listed":true,"dateAdded":"2022-03-25","dueDate":"2022-04-15","knownRansomwareCampaignUse":"Known","notes":"Apply updates per vendor instructions.\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-11043"},"exploits":{"count":2,"verified":true,"firstPublished":"2019-10-28","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":48182,"kind":"exploit","title":"PHP-FPM - Underflow Remote Code Execution (Metasploit)","url":"https://www.exploit-db.com/exploits/48182","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/remote/48182.rb","file":"exploits/php/remote/48182.rb","published":"2020-03-09","added":"2020-03-09","updated":"2020-03-09","author":"Metasploit","type":"remote","platform":"php","port":null,"verified":true,"codes":["CVE-2019-11043"],"tags":"Metasploit Framework (MSF)","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/multi/http/php_fpm_rce.rb"},{"edbId":47553,"kind":"exploit","title":"PHP-FPM + Nginx - Remote Code Execution","url":"https://www.exploit-db.com/exploits/47553","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/47553.md","file":"exploits/php/webapps/47553.md","published":"2019-10-28","added":"2019-10-28","updated":"2019-10-28","author":"Emil Lerner","type":"webapps","platform":"php","port":null,"verified":false,"codes":["CVE-2019-11043"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://github.com/neex/phuip-fpizdam/tree/8d12169a8c47be30677d1b97a402c42a9cf6b77f"}]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 15 April 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00011.html","tags":["Mailing List","Third Party Advisory"],"source":"security@php.net"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00014.html","tags":["Mailing List","Third Party Advisory"],"source":"security@php.net"},{"url":"http://packetstormsecurity.com/files/156642/PHP-FPM-7.x-Remote-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"security@php.net"},{"url":"http://seclists.org/fulldisclosure/2020/Jan/40","tags":["Mailing List","Third Party Advisory"],"source":"security@php.net"},{"url":"https://access.redhat.com/errata/RHSA-2019:3286","tags":["Third Party Advisory"],"source":"security@php.net"},{"url":"https://access.redhat.com/errata/RHSA-2019:3287","tags":["Third Party Advisory"],"source":"security@php.net"},{"url":"https://access.redhat.com/errata/RHSA-2019:3299","tags":["Third Party Advisory"],"source":"security@php.net"},{"url":"https://access.redhat.com/errata/RHSA-2019:3300","tags":["Third Party Advisory"],"source":"security@php.net"},{"url":"https://access.redhat.com/errata/RHSA-2019:3724","tags":["Third Party Advisory"],"source":"security@php.net"},{"url":"https://access.redhat.com/errata/RHSA-2019:3735","tags":["Third Party Advisory"],"source":"security@php.net"},{"url":"https://access.redhat.com/errata/RHSA-2019:3736","tags":["Third Party Advisory"],"source":"security@php.net"},{"url":"https://access.redhat.com/errata/RHSA-2020:0322","tags":["Third Party Advisory"],"source":"security@php.net"},{"url":"https://bugs.php.net/bug.php?id=78599","tags":["Exploit","Issue Tracking","Patch","Vendor Advisory"],"source":"security@php.net"},{"url":"https://github.com/neex/phuip-fpizdam","tags":["Exploit","Third Party 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Advisory"],"source":"security@php.net"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00011.html","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00014.html","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/156642/PHP-FPM-7.x-Remote-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/fulldisclosure/2020/Jan/40","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2019:3286","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2019:3287","tags":["Third Party 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Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/neex/phuip-fpizdam","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3W23TP6X4H7LB645FYZLUPNIRD5W3EPU/","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FSNBUSPKMLUHHOADROKNG5GDWDCRHT5M/","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T62LF4ZWVV7OMMIZFO6IFO5QLZKK7YRD/","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://seclists.org/bugtraq/2020/Jan/44","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20191031-0003/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/kb/HT210919","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.f5.com/csp/article/K75408500?utm_source=f5support&amp%3Butm_medium=RSS","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/4166-1/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/4166-2/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2019/dsa-4552","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2019/dsa-4553","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.synology.com/security/advisory/Synology_SA_19_36","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.tenable.com/security/tns-2021-14","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-11043","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-11043","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."}