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Findings

CVE-2019-0211

Apache HTTP Server Privilege Escalation Vulnerability

Published Apr 8, 2019 · updated Jun 16, 2026 · apache http server

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.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 8, 2019 · Catalog

    Detected

    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.

  2. Nov 3, 2021 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. May 3, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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.

Required action

Apply updates per vendor instructions.

CISA due date May 3, 2022

Affected

  • cpe apache/http serverversion unspecified
  • cpe canonical/ubuntu linux14.04
  • cpe canonical/ubuntu linux16.04
  • cpe canonical/ubuntu linux18.04
  • cpe canonical/ubuntu linux18.10
  • cpe debian/debian linux9.0
  • cpe fedoraproject/fedora28
  • cpe fedoraproject/fedora29
  • cpe fedoraproject/fedora30
  • cpe netapp/oncommand unified managerversion unspecified
  • cpe opensuse/leap15.0
  • cpe redhat/jboss core services1.0
  • vendor Apache HTTP Serverversion unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2019-0211

    Apache HTTP Server, 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 code with the privileges of the parent process (usually root) by manipulating the scoreboard.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2019-0211

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2019-0211

    30-day exploitation probability 65.0%

    first.org
  • Exploit DatabasePublic exploit reference46676

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • NIST NVDVulnerability recordCVE-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 (including scripts executed by an in-process scripting interpreter) could execute arbitrary code with the privileges of the parent

    nvd.nist.gov
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/152386/Apache-2.4.38-Root-Privilege-Escalation.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com

References

CVE-2019-0211 · ZeroDay Findings