CVE-2019-11043

CRITICALNVD 8.79.8▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.7 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 3 sources updated this weekExploited in the wild
9.8EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 100%CVSS: 8.7Exploit: cisa kev · ssvc active · kev ransomware · Metasploit · Exploit-DB (verified) · epss top5pct · epss high · public exploitExposed: 0

A fix is available — apply it.

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.

CVSS v3
8.7
EG Score
9.8(high)
EG Risk
84(Attend)
EG Risk 84/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
100%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

October 28, 2019

Last Modified

November 3, 2025

Advisory Details (7)

Auto-updated Jun 2, 2026
Patch available. Sources: redhat.
redhat Patch Available

Affected: Red Hat Enterprise Linux 8.

https://access.redhat.com/errata/RHSA-2019:3735
redhat Patch Available
https://access.redhat.com/errata/RHSA-2019:3724
redhat Patch Available
https://access.redhat.com/errata/RHSA-2019:3300
redhat Patch Available
https://access.redhat.com/errata/RHSA-2019:3299
redhat Patch Available

Affected: Red Hat Enterprise Linux 6.

https://access.redhat.com/errata/RHSA-2019:3287
redhat Patch Available

Affected: Red Hat Enterprise Linux 7.

https://access.redhat.com/errata/RHSA-2019:3286
generic

Full Disclosure: APPLE-SA-2020-1-28-2 macOS Catalina 10.15.3, Security Update 2020-001 Mojave, Security Update 2020-001 High Sierra

http://seclists.org/fulldisclosure/2020/Jan/40

Patch Availability(11)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibphp5-embed (5.5.9+dfsg-1ubuntu4.29+esm6) @ trusty2026-09-19ubuntu
ubuntuphp7.2-zip (7.2.24-0ubuntu0.18.04.1) @ bionic2026-09-19ubuntu
redhatphp-0:5.4.16-46.1.el7_62020-07-07redhat
redhatphp:7.2-8000020191113103901.5d58a0462020-02-03redhat
redhatphp:7.3-8010020191030161321.dcfb48bd2019-11-06redhat
redhatphp:7.2-8010020191030112723.dcfb48bd2019-11-06redhat
redhatrh-php70-php-0:7.0.27-2.el72019-11-06redhat
redhatrh-php71-php-0:7.1.30-2.el72019-11-01redhat
redhatrh-php72-php-0:7.2.24-1.el72019-11-01redhat
redhatphp-0:5.4.16-46.1.el7_72019-10-31redhat
redhatphp-0:5.3.3-50.el6_102019-10-31redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(3 across 3 ecosystems)
Debian:10(1)
PackageVulnerable rangeFixed inDependents
php7.37.3.10-1 ... 7.3.9-1~deb10u1 (6 versions)7.3.11-1~deb10u1—
Debian:8(1)
PackageVulnerable rangeFixed inDependents
php55.6.11+dfsg-1 ... 5.6.9+dfsg-1 (52 versions)5.6.40+dfsg-0+deb8u7—
Debian:9(1)
PackageVulnerable rangeFixed inDependents
php7.07.0.19-1 ... 7.0.33-0+deb9u5 (21 versions)7.0.33-0+deb9u6—

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(11)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 80× in last 7d / 356× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 1,291 total refreshes for this CVE.

  1. 2026-09-19 20:56 UTCVendor advisory
  2. 2026-09-19 20:56 UTCGHSA enrichment
  3. 2026-09-19 16:31 UTCVendor advisory
  4. 2026-09-19 16:31 UTCGHSA enrichment
  5. 2026-09-19 12:06 UTCVendor advisory
  6. 2026-09-19 12:06 UTCGHSA enrichment
  7. 2026-09-19 07:42 UTCVendor advisory
  8. 2026-09-19 07:42 UTCGHSA enrichment
  9. 2026-09-19 03:18 UTCVendor advisory
  10. 2026-09-19 03:18 UTCGHSA enrichment
  11. 2026-09-18 22:54 UTCVendor advisory
  12. 2026-09-18 22:54 UTCGHSA enrichment
  13. 2026-09-18 19:20 UTCCISA KEV update
  14. 2026-09-18 18:30 UTCVendor advisory
  15. 2026-09-18 18:30 UTCGHSA enrichment
  16. 2026-09-18 14:15 UTCCISA KEV update
  17. 2026-09-18 14:06 UTCVendor advisory
  18. 2026-09-18 14:06 UTCGHSA enrichment
  19. 2026-09-18 09:41 UTCVendor advisory
  20. 2026-09-18 09:41 UTCGHSA enrichment
  21. 2026-09-18 05:17 UTCVendor advisory
  22. 2026-09-18 05:17 UTCGHSA enrichment
  23. 2026-09-18 00:53 UTCVendor advisory
  24. 2026-09-18 00:53 UTCGHSA enrichment
  25. 2026-09-17 20:28 UTCVendor advisory
Show 75 more
  1. 2026-09-17 20:28 UTCGHSA enrichment
  2. 2026-09-17 16:04 UTCVendor advisory
  3. 2026-09-17 16:04 UTCGHSA enrichment
  4. 2026-09-17 11:39 UTCVendor advisory
  5. 2026-09-17 11:39 UTCGHSA enrichment
  6. 2026-09-17 07:15 UTCVendor advisory
  7. 2026-09-17 07:15 UTCGHSA enrichment
  8. 2026-09-17 02:48 UTCVendor advisory
  9. 2026-09-17 02:47 UTCGHSA enrichment
  10. 2026-09-16 22:21 UTCVendor advisory
  11. 2026-09-16 22:21 UTCGHSA enrichment
  12. 2026-09-16 17:56 UTCVendor advisory
  13. 2026-09-16 17:56 UTCGHSA enrichment
  14. 2026-09-16 14:10 UTCCISA KEV update
  15. 2026-09-16 13:32 UTCVendor advisory
  16. 2026-09-16 13:32 UTCGHSA enrichment
  17. 2026-09-16 09:03 UTCVendor advisory
  18. 2026-09-16 09:03 UTCGHSA enrichment
  19. 2026-09-16 04:39 UTCVendor advisory
  20. 2026-09-16 04:39 UTCGHSA enrichment
  21. 2026-09-16 00:15 UTCVendor advisory
  22. 2026-09-16 00:15 UTCGHSA enrichment
  23. 2026-09-15 19:49 UTCVendor advisory
  24. 2026-09-15 19:49 UTCGHSA enrichment
  25. 2026-09-15 15:25 UTCVendor advisory
  26. 2026-09-15 15:25 UTCGHSA enrichment
  27. 2026-09-15 11:00 UTCVendor advisory
  28. 2026-09-15 11:00 UTCGHSA enrichment
  29. 2026-09-15 06:36 UTCVendor advisory
  30. 2026-09-15 06:36 UTCGHSA enrichment
  31. 2026-09-15 02:12 UTCVendor advisory
  32. 2026-09-15 02:11 UTCGHSA enrichment
  33. 2026-09-14 21:47 UTCVendor advisory
  34. 2026-09-14 21:47 UTCGHSA enrichment
  35. 2026-09-14 19:24 UTCCISA KEV update
  36. 2026-09-14 17:23 UTCVendor advisory
  37. 2026-09-14 17:23 UTCGHSA enrichment
  38. 2026-09-14 12:59 UTCVendor advisory
  39. 2026-09-14 12:59 UTCGHSA enrichment
  40. 2026-09-14 08:34 UTCVendor advisory
  41. 2026-09-14 08:34 UTCGHSA enrichment
  42. 2026-09-14 04:10 UTCVendor advisory
  43. 2026-09-14 04:10 UTCGHSA enrichment
  44. 2026-09-13 23:46 UTCVendor advisory
  45. 2026-09-13 23:46 UTCGHSA enrichment
  46. 2026-09-13 19:22 UTCVendor advisory
  47. 2026-09-13 19:22 UTCGHSA enrichment
  48. 2026-09-13 14:58 UTCVendor advisory
  49. 2026-09-13 14:58 UTCGHSA enrichment
  50. 2026-09-13 10:33 UTCVendor advisory
  51. 2026-09-13 10:33 UTCGHSA enrichment
  52. 2026-09-13 06:06 UTCVendor advisory
  53. 2026-09-13 06:06 UTCGHSA enrichment
  54. 2026-09-13 01:42 UTCVendor advisory
  55. 2026-09-13 01:42 UTCGHSA enrichment
  56. 2026-09-12 21:17 UTCVendor advisory
  57. 2026-09-12 21:17 UTCGHSA enrichment
  58. 2026-09-12 16:53 UTCVendor advisory
  59. 2026-09-12 16:53 UTCGHSA enrichment
  60. 2026-09-12 12:28 UTCVendor advisory
  61. 2026-09-12 12:28 UTCGHSA enrichment
  62. 2026-09-12 08:03 UTCVendor advisory
  63. 2026-09-12 08:03 UTCGHSA enrichment
  64. 2026-09-12 03:38 UTCVendor advisory
  65. 2026-09-12 03:38 UTCGHSA enrichment
  66. 2026-09-11 23:14 UTCVendor advisory
  67. 2026-09-11 23:14 UTCGHSA enrichment
  68. 2026-09-11 18:50 UTCVendor advisory
  69. 2026-09-11 18:49 UTCCISA KEV update
  70. 2026-09-11 18:49 UTCGHSA enrichment
  71. 2026-09-11 14:24 UTCVendor advisory
  72. 2026-09-11 14:24 UTCGHSA enrichment
  73. 2026-09-11 09:59 UTCEG score recompute
  74. 2026-09-11 09:59 UTCVendor advisory
  75. 2026-09-11 09:59 UTCGHSA enrichment

Publicly available exploits

(10 references)

Working exploit code is in the public domain (8 GitHub PoCs) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCkriskhub/CVE-2019-11043
    First seen May 5, 2020

    This repository provides a dockerized infrastructure and a python implementation of the CVE-2019-11043 exploit.

    Open source ↗
  • Exploit-DBEDB-48182✓ verified
    First seen Mar 9, 2020

    PHP-FPM - Underflow Remote Code Execution (Metasploit)

    Open source ↗
  • GitHub PoCk8gege/CVE-2019-11043
    First seen Nov 11, 2019

    Ladon POC Moudle CVE-2019-11043 (PHP-FPM + Ngnix)

    Open source ↗
  • GitHub PoC0th3rs-Security-Team/CVE-2019-11043
    First seen Nov 6, 2019

    CVE-2019-11043 PHP7.x RCE

    Open source ↗
  • GitHub PoCypereirareis/docker-CVE-2019-11043
    First seen Oct 30, 2019

    Docker image and commands to check CVE-2019-11043 vulnerability on nginx/php-fpm applications.

    Open source ↗
  • GitHub PoChuowen/CVE-2019-11043
    First seen Oct 29, 2019

    Python exp for CVE-2019-11043

    Open source ↗
  • Exploit-DBEDB-47553
    First seen Oct 28, 2019

    PHP-FPM + Nginx - Remote Code Execution

    Open source ↗
  • GitHub PoCtheMiddleBlue/CVE-2019-11043
    First seen Oct 28, 2019

    (PoC) Python version of CVE-2019-11043 exploit by neex

    Open source ↗
  • GitHub PoCakamajoris/CVE-2019-11043-Docker
    First seen Oct 24, 2019
    Open source ↗
  • GitHub PoCAleWong/PHP-FPM-Remote-Code-Execution-Vulnerability-CVE-2019-11043-
    First seen Oct 24, 2019

    PHP-FPM Remote Code Execution Vulnerability (CVE-2019-11043) POC in Python

    Open source ↗

Frequently asked(6)

What is CVE-2019-11043?
CVE-2019-11043 is a critical vulnerability published on October 28, 2019. 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.
When was CVE-2019-11043 disclosed?
CVE-2019-11043 was first published in the National Vulnerability Database on October 28, 2019, with the most recent update on November 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2019-11043 actively exploited?
Yes. CISA added CVE-2019-11043 to the Known Exploited Vulnerabilities catalog on March 25, 2022, affecting PHP FastCGI Process Manager (FPM). KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2019-11043?
CVE-2019-11043 has a CVSS v3 base score of 8.7 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.8.
Which products are affected by CVE-2019-11043?
CVE-2019-11043 affects PHP FastCGI Process Manager (FPM). The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2019-11043?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-11043, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2019-11043

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