CVE-2022-23206: SSRF in Apache Traffic Control

The SSRF vulnerability in Apache Traffic Control allows an attacker to craft malicious requests that the Traffic Control server will execute on behalf of the attacker. This can lead to several serious consequences. An attacker could potentially access internal services that are not directly exposed to the internet, such as databases, configuration files, or other administrative interfaces. Furthermore, an attacker could use the SSRF vulnerability to scan internal networks, identify other vulnerable services, and potentially escalate their attack. The blast radius extends to any internal resources accessible via HTTP/HTTPS from the Traffic Control server.

1. Reserved2022-01-13
2. Published2024-08-21
3. Modified2026-03-03
4. EPSS updated2026-04-02

The primary mitigation for CVE-2022-23206 is to upgrade Apache Traffic Control to version 5.1.6+incompatible or later. If upgrading immediately is not feasible, consider implementing temporary workarounds. Restrict network access to the Traffic Control server to only necessary IP addresses and ports. Implement strict input validation and sanitization to prevent attackers from crafting malicious URLs. Web Application Firewalls (WAFs) can be configured to block suspicious outgoing requests based on URL patterns and destination IP addresses. Monitor Traffic Control logs for unusual outbound requests.