CVE-2019-0211
Apache HTTP Server
Published 8 Apr 2019 · updated 17 Jun 2026 · Analyzed
7.8 High · CVSS 3.1, NVD
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, with a remediation deadline of 3 May 2022 for US federal agencies.
Required action: Apply updates per vendor instructions.
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.
References
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00051.html · Broken Link, Mailing List, Release Notes
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00061.html · Broken Link, Mailing List, Release Notes
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00084.html · Broken Link, Third Party Advisory
- packetstormsecurity.com/files/152386/Apache-2.4.38-Root-Privilege-Escalation.html · Third Party Advisory, VDB Entry
- packetstormsecurity.com/files/152415/Slackware-Security-Advisory-httpd-Updates.html · Exploit, Third Party Advisory, VDB Entry
- packetstormsecurity.com/files/152441/CARPE-DIEM-Apache-2.4.x-Local-Privilege-Escalation.html · Exploit, Third Party Advisory, VDB Entry
- www.apache.org/dist/httpd/CHANGES_2.4.39 · Broken Link, Vendor Advisory
- www.openwall.com/lists/oss-security/2019/04/02/3 · Mailing List, Third Party Advisory
- www.openwall.com/lists/oss-security/2019/07/26/7 · Mailing List
- www.securityfocus.com/bid/107666 · Broken Link, Third Party Advisory, VDB Entry
- access.redhat.com/errata/RHBA-2019:0959 · Third Party Advisory
- access.redhat.com/errata/RHSA-2019:0746 · Third Party Advisory
- access.redhat.com/errata/RHSA-2019:0980 · Third Party Advisory
- access.redhat.com/errata/RHSA-2019:1296 · Third Party Advisory
- access.redhat.com/errata/RHSA-2019:1297 · Third Party Advisory
- access.redhat.com/errata/RHSA-2019:1543 · Third Party Advisory
- httpd.apache.org/security/vulnerabilities_24.html · Vendor Advisory
- lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E · Mailing List
- lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E · Mailing List
- lists.apache.org/thread.html/890507b85c30adf133216b299cc35cd8cd0346a885acfc671c04694e%40%3Cdev.community.apache.org%3E · Mailing List
- lists.apache.org/thread.html/b1613d44ec364c87bb7ee8c5939949f9b061c05c06e0e90098ebf7aa%40%3Cusers.httpd.apache.org%3E · Mailing List
- lists.apache.org/thread.html/b2bdb308dc015e771ba79c0586b2de6fb50caa98b109833f5d4daf28%40%3Cdev.community.apache.org%3E · Mailing List
- lists.apache.org/thread.html/de881a130bc9cb2f3a9ff220784520556884fb8ea80e69400a45509e%40%3Cdev.community.apache.org%3E · Mailing List
- lists.apache.org/thread.html/fd110f4ace2d8364c7d9190e1993cde92f79e4eb85576ed9285686ac%40%3Ccvs.httpd.apache.org%3E · Mailing List
- lists.apache.org/thread.html/r03ee478b3dda3e381fd6189366fa7af97c980d2f602846eef935277d%40%3Ccvs.httpd.apache.org%3E · Mailing List