CVE-2020-13938

Improper Handling of Insufficient Privileges

5.5 MediumFix available

Apache HTTP Server versions 2.4.0 to 2.4.46 Unprivileged local users can stop httpd on Windows

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

11.8%Up 11.4 points since Jun 10, 2021

What each source reports

NVD Score used 5.5

Apache HTTP Server versions 2.4.0 to 2.4.46 Unprivileged local users can stop httpd on Windows

Record: CVE-2020-13938
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 2.1 LowAV:L/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-862
Updated: 2026-11-02

CVE List No score

Improper Handling of Insufficient Privileges

Apache HTTP Server versions 2.4.0 to 2.4.46 Unprivileged local users can stop httpd on Windows

Record: CVE-2020-13938
Updated: 2026-11-02

EUVDEUVD-2020-6130 No score

Apache HTTP Server versions 2.4.0 to 2.4.46 Unprivileged local users can stop httpd on Windows

Record: EUVD-2020-6130
Updated: 2026-11-03

GitHub AdvisoriesGHSA-qvx2-v283-5hp3 5.5

Apache HTTP Server versions 2.4.0 to 2.4.46 Unprivileged local users can stop httpd on Windows

Apache HTTP Server versions 2.4.0 to 2.4.46 Unprivileged local users can stop httpd on Windows

Record: GHSA-qvx2-v283-5hp3
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-862
Updated: 2026-11-02

OSVALPINE-CVE-2020-13938 5.5

Apache HTTP Server versions 2.4.0 to 2.4.46 Unprivileged local users can stop httpd on Windows

Record: ALPINE-CVE-2020-13938
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVBELL-CVE-2020-13938 5.5

CVE-2020-13938 does not affect BellSoft software

Record: BELL-CVE-2020-13938
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSV 5.5

Apache HTTP Server versions 2.4.0 to 2.4.46 Unprivileged local users can stop httpd on Windows

Record: CVE-2020-13938
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVBIT-apache-2020-13938 No score

Improper Handling of Insufficient Privileges

Apache HTTP Server versions 2.4.0 to 2.4.46 Unprivileged local users can stop httpd on Windows

Record: BIT-apache-2020-13938
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`apache2` Alpine:v3.10	before 2.4.48-r0	2.4.48-r0
`apache2` Alpine:v3.11	before 2.4.48-r0	2.4.48-r0
`apache2` Alpine:v3.12	before 2.4.48-r0	2.4.48-r0
`apache2` Alpine:v3.13	before 2.4.48-r0	2.4.48-r0
`apache2` Alpine:v3.14	before 2.4.48-r0	2.4.48-r0
`apache2` Alpine:v3.15	before 2.4.48-r0	2.4.48-r0
`apache2` Alpine:v3.16	before 2.4.48-r0	2.4.48-r0
`apache2` Alpine:v3.17	before 2.4.48-r0	2.4.48-r0
`apache2` Alpine:v3.18	before 2.4.48-r0	2.4.48-r0
`apache2` Alpine:v3.19	before 2.4.48-r0	2.4.48-r0

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Affected packages
Package	Affected	Fixed
`apache2` Alpine:v3.20	before 2.4.48-r0	2.4.48-r0
`apache2` Alpine:v3.21	before 2.4.48-r0	2.4.48-r0
`apache2` Alpine:v3.22	before 2.4.48-r0	2.4.48-r0
`apache2` Alpine:v3.23	before 2.4.48-r0	2.4.48-r0
`apache2` Alpine:v3.24	before 2.4.48-r0	2.4.48-r0
`apache` Bitnami	2.4.0 up to 2.4.47	2.4.47

History

History
Recorded	Changed	Sources
Nov 10, 2026	facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-13938 is a medium vulnerability (CVSS 5.5) in Apache Http Server, published June 10, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 11.8%, the 96th percentile. Fixed in apache2 2.4.48-r0.

References

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