# CVE-2019-11043

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.

- Page: https://www.vulneraibility.com/cve/CVE-2019-11043
- CVSS: 8.7
- Known exploited: yes, in CISA KEV since 2022-03-25; CISA due date 2022-04-15; known ransomware use
- EPSS: 99.78% (percentile 100.0)
- Public exploit code: 2 on Exploit-DB · 1 Metasploit module · 29 GitHub proofs of concept · 1 Nuclei template (first 2019-09-23)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2025-02-07)
- Weakness: CWE-120
- Published: 2019-10-28

## Affected versions

- PHP: affected >= 7.1.x and < 7.1.33; >= 7.2.x and < 7.2.24; >= 7.3.x and < 7.3.11

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] https://github.com/neex/phuip-fpizdam
- [other] https://bugs.php.net/bug.php?id=78599
- [advisory] https://usn.ubuntu.com/4166-1/
- [advisory] https://www.debian.org/security/2019/dsa-4552
- [advisory] https://www.debian.org/security/2019/dsa-4553
- [advisory] https://usn.ubuntu.com/4166-2/
- [other] https://support.f5.com/csp/article/K75408500?utm_source=f5support&amp%3Butm_medium=RSS
- [advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T62LF4ZWVV7OMMIZFO6IFO5QLZKK7YRD/
- [other] https://security.netapp.com/advisory/ntap-20191031-0003/
- [advisory] https://access.redhat.com/errata/RHSA-2019:3286
- [advisory] https://access.redhat.com/errata/RHSA-2019:3287
- [advisory] https://access.redhat.com/errata/RHSA-2019:3299
- [advisory] https://access.redhat.com/errata/RHSA-2019:3300
- [advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3W23TP6X4H7LB645FYZLUPNIRD5W3EPU/
- [advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FSNBUSPKMLUHHOADROKNG5GDWDCRHT5M/
- [advisory] http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00011.html
- [advisory] https://access.redhat.com/errata/RHSA-2019:3724
- [advisory] https://access.redhat.com/errata/RHSA-2019:3735
- [advisory] https://access.redhat.com/errata/RHSA-2019:3736
- [other] https://www.synology.com/security/advisory/Synology_SA_19_36
- [advisory] http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00014.html
- [other] https://support.apple.com/kb/HT210919
- [other] https://seclists.org/bugtraq/2020/Jan/44
- [other] http://seclists.org/fulldisclosure/2020/Jan/40
- [advisory] https://access.redhat.com/errata/RHSA-2020:0322
- [other] http://packetstormsecurity.com/files/156642/PHP-FPM-7.x-Remote-Code-Execution.html
- [other] https://www.tenable.com/security/tns-2021-14
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-11043

---
Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.