Archived Content
In an effort to keep CISA.gov current, the archive contains outdated information that may not reflect current policy or programs.Apache HTTP Server Reverse Proxy Bypass
The Apache Foundation has issued a Security Advisory to address a vulnerability in Apache HTTP Server's reverse proxy mode. Exploitation of this vulnerability may allow a remote attacker to gain access to internal systems.
US-CERT encourages users and administrators to review the Apache HTTP Server Security Advisory mod_proxy reverse proxy exposure and apply any necessary updates or workarounds to help mitigate the risks.
This product is provided subject to this Notification and this Privacy & Use policy.