netVigilance Vulnerability intelligence since 2004
CVE-2021-41773 · netVigilance record NV21-0285

Apache HTTP Server Path Traversal

past due ransomware

What to do

Apply updates per vendor instructions.

CISA deadline 2021-11-17 · passed 4 years 9 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA

What happened

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.

Who is affected

Apache HTTP Server. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.

Weakness class: CWE-22.

Timeline

  1. Added to CISA KEVExploitation in the wild confirmed by CISA
  2. CISA remediation deadlinepassed 4 years 9 months ago

Sources