CVE-2020-13938 Improper Handling of Insufficient Privileges

What is CVE-2020-13938?

CVE-2020-13938 is a medium-severity missing authorization vulnerability in Apache Http Server, published on 10 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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

Weakness: CWE-862

Which versions are affected by CVE-2020-13938?

1 open source package ship an affected version, including apache. It affects 3 products.

Products include Apache Http Server, Mcafee Epolicy Orchestrator, Netapp Cloud Backup.

How do I fix CVE-2020-13938?

Upgrade apache to 2.4.47 or later.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2020-13938 being exploited?

There is no known exploitation of CVE-2020-13938 in the wild and no public exploit code.

Other vulnerabilities in Apache Http Server

• CVE-2021-42013 Apache HTTP Server Path Traversal Exploited Critical 9.8
• CVE-2024-38475 Apache HTTP Server Improper Escaping of Output Exploited Critical 9.1
• CVE-2021-40438 Apache HTTP Server-Side Request Forgery (SSRF) Exploited Critical 9.0
• CVE-2019-0211 Apache HTTP Server Privilege Escalation Exploited High 7.8
• CVE-2021-41773 Apache HTTP Server Path Traversal Exploited High 7.5

All Apache Http Server vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2020-13938, BIT-apache-2020-13938, CLEANSTART-2026-DJ72396, GHSA-qvx2-v283-5hp3.