🛡️ CVE-2021-42013 — apache
Description
Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773)
It was found that the fix for CVE-2021-41773 in Apache HTTP Server 2.4.50 was insufficient. An attacker could use a path traversal attack to map URLs to files outside the directories configured by Alias-like directives. If files outside of these directories are not protected by the usual default configuration "require all denied", these requests can succeed. If CGI scripts are also enabled for these aliased pathes, this could allow for remote code execution. This issue only affects Apache 2.4.49 and Apache 2.4.50 and not earlier versions.
Affected software
CVE-2021-42013 is recorded against 1 package.
- apache
Timeline and source
Published on 6 March 2024 and last revised on 22 October 2025. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
jvn.jp (Web)
packetstormsecurity.com (Web)
packetstormsecurity.com (Web)
packetstormsecurity.com (Web)
packetstormsecurity.com (Web)
packetstormsecurity.com (Web)
packetstormsecurity.com (Web)
www.openwall.com (Web)
www.openwall.com (Web)
www.openwall.com (Web)
www.openwall.com (Web)
www.openwall.com (Web)
www.openwall.com (Web)
www.openwall.com (Web)
www.openwall.com (Web)
CVE-2021-42013 on other distributions
Each distribution ships its own build and its own fixed version. Pick the one you run:
Details
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| apache | — | — |
Similar Threats
- Critical CVE-2020-11984
- Medium CVE-2020-11985
- High CVE-2020-11993
- Medium CVE-2020-13938
- High CVE-2020-13950
Exploit Protection
Are you running apache?
CVE-2021-42013 carries CVSS 9.5 Critical rating. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.
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