CVE-2025-32433: Maximum Severity Unauthenticated RCE Vulnerability in Erlang/OTP SSH
On April 16, 2025, fixes were released for a maximum severity vulnerability in Erlang/OTP SSH, CVE-2025-32433. Erlang/OTP SSH is a library within the Erlang/OTP platform, typically used in telecommunications, messaging, IoT, and distributed applications. CVE-2025-32433 allows unauthenticated remote threat actors to achieve remote code execution (RCE) in the SSH daemon. The issue arises due to a flaw in SSH protocol message handling, which permits the sending of protocol messages before authentication.