Exploited
high
7.5
CWE
22
Advisory Published
Updated

CVE-2021-41773: Apache HTTP Server Path Traversal Vulnerability

First published: Tue Oct 05 2021(Updated: )

Apache HTTP Server contains a path traversal vulnerability that allows an attacker to perform remote code execution if files outside directories configured by Alias-like directives are not under default �require all denied� or if CGI scripts are enabled. The original patch issued under this CVE ID is insufficient, please review remediation information under CVE-2021-42013.

Credit: security@apache.org security@apache.org

Affected SoftwareAffected VersionHow to fix
Apache HTTP server=2.4.49
Fedoraproject Fedora=34
Fedoraproject Fedora=35
Oracle Instantis Enterprisetrack=17.1
Oracle Instantis Enterprisetrack=17.2
Oracle Instantis Enterprisetrack=17.3
Netapp Cloud Backup
PHPUnit unit testing framework
Apache HTTP server
Laravel web application framework
=2.4.49
=34
=35
=17.1
=17.2
=17.3

Remedy

http://www.openwall.com/lists/oss-security/2021/10/11/4

Remedy

http://www.openwall.com/lists/oss-security/2021/10/15/3

Remedy

https://lists.apache.org/thread.html/r17a4c6ce9aff662efd9459e9d1850ab4a611cb23392fc68264c72cb3@%3Ccvs.httpd.apache.org%3E

Remedy

https://www.oracle.com/security-alerts/cpujan2022.html

Remedy

https://lists.apache.org/thread.html/r17a4c6ce9aff662efd9459e9d1850ab4a611cb23392fc68264c72cb3%40%3Ccvs.httpd.apache.org%3E

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Reference Links

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the CVE ID for this vulnerability?

    CVE-2021-41773

  • What is the title of this vulnerability?

    Apache HTTP Server Path Traversal Vulnerability

  • What is the severity of CVE-2021-41773?

    The severity of CVE-2021-41773 is marked as high with a severity value of 7.5.

  • How does CVE-2021-41773 affect Apache HTTP Server?

    CVE-2021-41773 affects Apache HTTP Server version 2.4.49.

  • How can I fix the Apache HTTP Server Path Traversal Vulnerability?

    To fix the Apache HTTP Server Path Traversal Vulnerability, update Apache HTTP Server to version 2.4.50 or higher.

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