CVE-2019-0211

CVE-2019-0211 is a high-severity vulnerability in Apache Http Server with a CVSS 3.x base score of 7.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2021-11-03). The underlying weakness is classified as CWE-416.

Key facts

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.

Frequently asked questions

What is 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 (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.
How severe is CVE-2019-0211?
CVE-2019-0211 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-0211 being actively exploited?
Yes. CVE-2019-0211 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2021-11-03, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2019-0211?
CVE-2019-0211 primarily affects Apache Http Server. In total, 68 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-0211?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2019-0211 have an EU (EUVD) identifier?
Yes. CVE-2019-0211 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-1002. It is also flagged as exploited in the EUVD (since 2021-11-03).
When was CVE-2019-0211 published?
CVE-2019-0211 was published on 2019-04-08 and last updated on 2026-06-17.

References

Affected products (68)

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Threat intelligence

Threat-intel indicators referencing this CVE: