# CVE-2019-0211: Apache HTTP Server Privilege Escalation Vulnerability

> CVE-2019-0211: Apache HTTP Server Privilege Escalation Vulnerability. CVSS 7.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2019-0211
Last updated: 2025-10-21T23:45:40Z

- Published: 2019-04-08 21:31 UTC · Updated: 2025-10-21 23:45 UTC · Assigner: apache
- CVSS: 7.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS: 65.0%, 99th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2021-11-03, federal due date 2022-05-03, ransomware use: Unknown

## Description

In Apache HTTP Server 2.4 releases 2.4.17 to 2.4.38, with MPM event, worker or prefork, code executing in less-privileged child processes or threads (including scripts executed by an in-process scripting interpreter) could execute arbitrary code with the privileges of the parent process (usually root) by manipulating the scoreboard. Non-Unix systems are not affected.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Apache: Apache HTTP Server

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2019-0211)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2019-0211)
- [http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00051.html](http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00051.html)
- [http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00061.html](http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00061.html)
- [http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00084.html](http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00084.html)
- [http://packetstormsecurity.com/files/152386/Apache-2.4.38-Root-Privilege-Escalation.html](http://packetstormsecurity.com/files/152386/Apache-2.4.38-Root-Privilege-Escalation.html)
- [http://packetstormsecurity.com/files/152415/Slackware-Security-Advisory-httpd-Updates.html](http://packetstormsecurity.com/files/152415/Slackware-Security-Advisory-httpd-Updates.html)
- [http://packetstormsecurity.com/files/152441/CARPE-DIEM-Apache-2.4.x-Local-Privilege-Escalation.html](http://packetstormsecurity.com/files/152441/CARPE-DIEM-Apache-2.4.x-Local-Privilege-Escalation.html)
- [https://access.redhat.com/errata/RHBA-2019:0959](https://access.redhat.com/errata/RHBA-2019:0959)
- [https://access.redhat.com/errata/RHSA-2019:0746](https://access.redhat.com/errata/RHSA-2019:0746)
- [https://access.redhat.com/errata/RHSA-2019:0980](https://access.redhat.com/errata/RHSA-2019:0980)
- [https://access.redhat.com/errata/RHSA-2019:1296](https://access.redhat.com/errata/RHSA-2019:1296)
- [https://access.redhat.com/errata/RHSA-2019:1297](https://access.redhat.com/errata/RHSA-2019:1297)
- [https://access.redhat.com/errata/RHSA-2019:1543](https://access.redhat.com/errata/RHSA-2019:1543)
- [https://httpd.apache.org/security/vulnerabilities\_24.html](https://httpd.apache.org/security/vulnerabilities_24.html)
- [https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E](https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%2540%3Ccvs.httpd.apache.org%3E)
- [https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E](https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%2540%3Ccvs.httpd.apache.org%3E)
- [https://lists.apache.org/thread.html/890507b85c30adf133216b299cc35cd8cd0346a885acfc671c04694e%40%3Cdev.community.apache.org%3E](https://lists.apache.org/thread.html/890507b85c30adf133216b299cc35cd8cd0346a885acfc671c04694e%2540%3Cdev.community.apache.org%3E)
- [https://lists.apache.org/thread.html/b1613d44ec364c87bb7ee8c5939949f9b061c05c06e0e90098ebf7aa%40%3Cusers.httpd.apache.org%3E](https://lists.apache.org/thread.html/b1613d44ec364c87bb7ee8c5939949f9b061c05c06e0e90098ebf7aa%2540%3Cusers.httpd.apache.org%3E)
- [https://lists.apache.org/thread.html/b2bdb308dc015e771ba79c0586b2de6fb50caa98b109833f5d4daf28%40%3Cdev.community.apache.org%3E](https://lists.apache.org/thread.html/b2bdb308dc015e771ba79c0586b2de6fb50caa98b109833f5d4daf28%2540%3Cdev.community.apache.org%3E)
- [https://lists.apache.org/thread.html/de881a130bc9cb2f3a9ff220784520556884fb8ea80e69400a45509e%40%3Cdev.community.apache.org%3E](https://lists.apache.org/thread.html/de881a130bc9cb2f3a9ff220784520556884fb8ea80e69400a45509e%2540%3Cdev.community.apache.org%3E)
- [https://lists.apache.org/thread.html/fd110f4ace2d8364c7d9190e1993cde92f79e4eb85576ed9285686ac%40%3Ccvs.httpd.apache.org%3E](https://lists.apache.org/thread.html/fd110f4ace2d8364c7d9190e1993cde92f79e4eb85576ed9285686ac%2540%3Ccvs.httpd.apache.org%3E)
- [https://lists.apache.org/thread.html/r6d03e45b81eab03580cf7f8bb51cb3e9a1b10a2cc0c6a2d3cc92ed0c%40%3Cannounce.apache.org%3E](https://lists.apache.org/thread.html/r6d03e45b81eab03580cf7f8bb51cb3e9a1b10a2cc0c6a2d3cc92ed0c%2540%3Cannounce.apache.org%3E)
- [https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ALIR5S3O7NRHEGFMIDMUSYQIZOE4TJJN/](https://lists.fedoraproject.org/archives/list/package-announce%2540lists.fedoraproject.org/message/ALIR5S3O7NRHEGFMIDMUSYQIZOE4TJJN/)
- [https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZRMTEIGZKYFNGIDOTXN3GNEJTLVCYU7/](https://lists.fedoraproject.org/archives/list/package-announce%2540lists.fedoraproject.org/message/EZRMTEIGZKYFNGIDOTXN3GNEJTLVCYU7/)
- [https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WETXNQWNQLWHV6XNW6YTO5UGDTIWAQGT/](https://lists.fedoraproject.org/archives/list/package-announce%2540lists.fedoraproject.org/message/WETXNQWNQLWHV6XNW6YTO5UGDTIWAQGT/)
- [https://seclists.org/bugtraq/2019/Apr/16](https://seclists.org/bugtraq/2019/Apr/16)
- [https://seclists.org/bugtraq/2019/Apr/5](https://seclists.org/bugtraq/2019/Apr/5)
- [https://security.gentoo.org/glsa/201904-20](https://security.gentoo.org/glsa/201904-20)
- [https://security.netapp.com/advisory/ntap-20190423-0001/](https://security.netapp.com/advisory/ntap-20190423-0001/)
- [https://support.f5.com/csp/article/K32957101](https://support.f5.com/csp/article/K32957101)
- [https://support.hpe.com/hpsc/doc/public/display?docLocale=en\_US&docId=emr\_na-hpesbux03950en\_us](https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03950en_us)
- [https://usn.ubuntu.com/3937-1/](https://usn.ubuntu.com/3937-1/)
- [https://www.debian.org/security/2019/dsa-4422](https://www.debian.org/security/2019/dsa-4422)
- [https://www.exploit-db.com/exploits/46676/](https://www.exploit-db.com/exploits/46676/)
- [https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html](https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html)
- [https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html](https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html)
- [https://www.synology.com/security/advisory/Synology\_SA\_19\_14](https://www.synology.com/security/advisory/Synology_SA_19_14)
- [http://www.apache.org/dist/httpd/CHANGES\_2.4.39](http://www.apache.org/dist/httpd/CHANGES_2.4.39)
- [http://www.openwall.com/lists/oss-security/2019/04/02/3](http://www.openwall.com/lists/oss-security/2019/04/02/3)
- [http://www.openwall.com/lists/oss-security/2019/07/26/7](http://www.openwall.com/lists/oss-security/2019/07/26/7)
- [http://www.securityfocus.com/bid/107666](http://www.securityfocus.com/bid/107666)

---

_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


---
Canonical: https://rewindex.com/cve/CVE-2019-0211 · Markdown: https://rewindex.com/cve/CVE-2019-0211.md · JSON: https://rewindex.com/api/v1/cves/CVE-2019-0211 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:14:54.684Z