CVE-2021-41773
CVSS 3.1 Score 7.5 of 10 (high)
Details
Summary
CVE-2021-41773 is a vulnerability affecting Apache HTTP Server 2.4.49, where a path traversal issue was discovered in a recent change to path normalization. An attacker can exploit this flaw to map URLs to files located outside the directories configured by Alias-like directives, potentially gaining unauthorized access to CGI scripts if not properly secured. This vulnerability has been observed in real-world attacks and is not present in earlier Apache versions. The fix implemented in Apache HTTP Server 2.4.50 was found to be incomplete, and additional mitigations are recommended.
Prevent cyber attacks with Recorded Future by prioritizing and patching critical vulnerabilities being exploited by threat actors targeting your industry. Book your demo to learn more.
Affected Products
- Oracle Instantis Enterprisetrack
- Fedora Operating System
- Apache Software Foundation Apache HTTP Server
Affected Vendors
- Apache Software Foundation
- Fedora Project
- BonqDAO
Advisories, Assessments, and Mitigations
Prioritize, Pinpoint, and Act to Prevent Vulnerability Exploits with Recorded Future
- Gain complete coverage of your cyber, third party, and physical attack surface
- Proactively mitigate threats before they turn into costly attacks
- Make fast, effective, data-driven decisions