Is CVE-2019-0211 in the CISA KEV catalog?

Yes. CVE-2019-0211 is on the CISA Known Exploited Vulnerabilities list, added 2021-11-03.

What is the CVSS severity of CVE-2019-0211?

CVE-2019-0211 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2019-0211?

CVE-2019-0211 has an EPSS score of 65.00% (99th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-0211?

Upgrade apache2 on debian 11 to 2.4.38-3 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2019-0211

HIGHCISA KEVEPSS 99th pctl

7.8

CVSS v3

NVD

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.

CWE-416Use After Free

How to fix

Remediation Available

apache2Debian

Fixed in:2.4.38-3CVE-2019-0211

apache2Ubuntu

Fixed in:2.4.7-1ubuntu4.22USN-3937-1

Fixed in:2.4.18-2ubuntu3.10USN-3937-1

Fixed in:2.4.29-1ubuntu4.6USN-3937-1

apache2-binUbuntu

Fixed in:2.4.7-1ubuntu4.22USN-3937-1

Fixed in:2.4.18-2ubuntu3.10USN-3937-1

Fixed in:2.4.29-1ubuntu4.6USN-3937-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

65.00%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Apache HTTP Server Privilege Escalation Vulnerability

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.

Apply updates per vendor instructions.

Remediation due: 2022-05-03

References

Patch5

Exploit3

Vendor Advisory2

Third-Party Advisory19

Mailing List18

Release Notes3

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-27.