← KEV catalog
CISA known exploited vulnerability

CVE-2021-41773

Apache HTTP Server Path Traversal Vulnerability

SOURCE FACT

Apache · HTTP Server

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.

Required action

Apply updates per vendor instructions.

CISA notes

https://nvd.nist.gov/vuln/detail/CVE-2021-41773

View source evidence →

CHECK YOUR OUTSIDE-IN INVENTORY

Could this product be present?