CVE-2025-32433 — Erlang Erlang/OTP SSH Server Missing Authentication for Critical Function Vulnerability

Overview

Erlang Erlang/OTP SSH server contains a missing authentication for critical function vulnerability. This could allow an attacker to execute arbitrary commands without valid credentials, potentially leading to unauthenticated remote code execution (RCE). By exploiting a flaw in how SSH protocol messages are handled, a malicious actor could gain unauthorized access to affected systems. This vulne...

Vulnerability details

CVE ID

CVE-2025-32433

Vulnerability

Erlang Erlang/OTP SSH Server Missing Authentication for Critical Function Vulnerability

Vendor

Erlang

Affected products

Erlang: Erlang/OTP

Severity

HIGH

Exploitation status

Actively exploited in the wild (CISA KEV)

Published

2025-06-09

Remediation guidance

CVE-2025-32433 is in CISA's Known Exploited Vulnerabilities (KEV) catalog — U.S. federal civilian agencies are required to remediate it under Binding Operational Directive 22-01. Treat it as a priority for every environment.

Apply the vendor's official security update for Erlang the affected product as soon as possible. Where a patch is unavailable, apply vendor mitigations or isolate/segment exposed systems.

Hunt for indicators of compromise tied to this vulnerability and confirm logging/EDR coverage on affected assets.

Authoritative references

• NVD — National Vulnerability Database
• MITRE CVE Record
• CISA Known Exploited Vulnerabilities Catalog
• FIRST EPSS — Exploit Prediction Scoring