CVE-2019-0211

high KEV

Published 2021-11-03 · Modified 2021-11-03

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

10.0

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 KEV

Vendor: Apache
Product: HTTP Server
Due date: 2022-05-03

Predictions

Exploit likelihood

99%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-46676 local linux

cfreal · 2019-04-08

Apache 2.4.17 < 2.4.38 - 'apache2ctl graceful' 'logrotate' Local Privilege Escalation

Source code queued for fetch — refresh in a moment.

OS impact

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

Arch Fixed 1 release

Version	Status	Fixed in
—	Fixed	`2.4.39-1`

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`2.4.38-3`
sid	Fixed	`2.4.38-3`
forky	Fixed	`2.4.38-3`
bullseye	Fixed	`2.4.38-3`
bookworm	Fixed	`2.4.38-3`

Red Hat Fixed 1 release

Version	Status	Fixed in
8	Fixed	—

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.