CVE-2019-0211
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…
Browse: All 2019 CVEs · All vendors
- CVSS score
- 7.8 High
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- CISA KEV
- Yes — actively exploited (added 2021-11-03, remediation due 2022-05-03)
- Weakness (CWE)
- CWE-416
- Published
- 2019-04-08
- Last modified
- 2026-06-17
- NVD status
- Analyzed
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.
Affected products
- apache http server
- fedoraproject fedora
- canonical ubuntu linux
- debian debian linux
- opensuse leap
- netapp oncommand unified manager
- redhat jboss core services
- redhat openshift container platform
- redhat openshift container platform for power
- redhat software collections
- redhat enterprise linux
- redhat enterprise linux eus
Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.
Required action (CISA)
Apply updates per vendor instructions. Federal remediation deadline: 2022-05-03.
How to prioritize this
This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score. For the actively exploited vulnerabilities that matter this week, read The Exploit HQ daily security brief.
References
- 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/msg00084.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/152441/CARPE-DIEM-Apache-2.4.x-Local-Privilege-Escalation.html
- http://www.apache.org/dist/httpd/CHANGES_2.4.39
- http://www.openwall.com/lists/oss-security/2019/04/02/3
FAQ
Is CVE-2019-0211 actively exploited?
Yes. CISA added CVE-2019-0211 to its Known Exploited Vulnerabilities (KEV) catalog on 2021-11-03, with a federal remediation deadline of 2022-05-03. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.
What is the CVSS score of CVE-2019-0211?
CVE-2019-0211 has a CVSS base score of 7.8 (High). Its vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Related vulnerabilities
- CVE-2024-38475 — Apache HTTP Server
- CVE-2021-42013 — Apache HTTP Server
- CVE-2021-41773 — Apache HTTP Server
- CVE-2016-3081 — Apache Struts
- CVE-2026-34486 — Apache Tomcat
- CVE-2026-34197 — Apache ActiveMQ
Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.
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