CVE-2019-0211
Apache HTTP Server Privilege Escalation Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 65.00% probability · 99th percentile
- Public exploits
- 1 in Exploit-DB · first 8 April 2019
- CISA KEV
- Listed 3 November 2021 · due 3 May 2022
- Weakness
- CWE-416
- Affected
- 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 · redhat/enterprise linux for arm 64 · redhat/enterprise linux for arm 64 eus · redhat/enterprise linux for ibm z systems · redhat/enterprise linux for ibm z systems eus · redhat/enterprise linux for power little endian · redhat/enterprise linux for power little endian eus · redhat/enterprise linux server aus · redhat/enterprise linux server tus · +7 more
- Source
- security@apache.org
EPSS 65.0% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2019-0211
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00051.htmlBroken Link, Mailing List, Release Notes, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00061.htmlBroken Link, Mailing List, Release Notes, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00084.htmlBroken Link, Third Party Advisory
- http://packetstormsecurity.com/files/152386/Apache-2.4.38-Root-Privilege-Escalation.htmlThird Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/152415/Slackware-Security-Advisory-httpd-Updates.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/152441/CARPE-DIEM-Apache-2.4.x-Local-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
- http://www.apache.org/dist/httpd/CHANGES_2.4.39Broken Link, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2019/04/02/3Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/07/26/7Mailing List
- http://www.securityfocus.com/bid/107666Broken Link, Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHBA-2019:0959Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0746Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0980Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1296Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1297Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1543Third Party Advisory
- https://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
- https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3EMailing List
- https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3EMailing List
- https://lists.apache.org/thread.html/890507b85c30adf133216b299cc35cd8cd0346a885acfc671c04694e%40%3Cdev.community.apache.org%3EMailing List
- https://lists.apache.org/thread.html/b1613d44ec364c87bb7ee8c5939949f9b061c05c06e0e90098ebf7aa%40%3Cusers.httpd.apache.org%3EMailing List
- https://lists.apache.org/thread.html/b2bdb308dc015e771ba79c0586b2de6fb50caa98b109833f5d4daf28%40%3Cdev.community.apache.org%3EMailing List
- https://lists.apache.org/thread.html/de881a130bc9cb2f3a9ff220784520556884fb8ea80e69400a45509e%40%3Cdev.community.apache.org%3EMailing List
- https://lists.apache.org/thread.html/fd110f4ace2d8364c7d9190e1993cde92f79e4eb85576ed9285686ac%40%3Ccvs.httpd.apache.org%3EMailing List
- https://lists.apache.org/thread.html/r03ee478b3dda3e381fd6189366fa7af97c980d2f602846eef935277d%40%3Ccvs.httpd.apache.org%3EMailing List
- https://lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda72ede0830b42cf%40%3Ccvs.httpd.apache.org%3EMailing List
- https://lists.apache.org/thread.html/r6d03e45b81eab03580cf7f8bb51cb3e9a1b10a2cc0c6a2d3cc92ed0c%40%3Cannounce.apache.org%3EMailing List
- https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3EMailing List
- https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3EMailing List, Patch
- https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3EMailing List
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.