Home / Vulnerabilities / CVE-2025-32433
CRITICAL SEVERITY
CVE-2025-32433 Erlang · Erlang/OTP

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

Technical Severity

CVSS v3.1 Metrics

CRITICAL
10 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Exploitation Likelihood

EPSS Prediction

43.92 %
Predictive Probability
Percentile Rank
97.4 th

Documented as more likely to be exploited than 97.4% of known CVEs.

Detection Date

Jun 09, 2025

Remediation Due

Jun 30, 2025

CISA Catalog Active

Threat Analysis

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 vulnerability could affect various products that implement Erlang/OTP SSH server, including—but not limited to—Cisco, NetApp, and SUSE.

Remediation Directive

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

External Intelligence

This vulnerability affects a common open-source project, third-party library, or a protocol used by different products. For more information, please see:

https://github.com/erlang/otp/security/advisories/GHSA-37cp-fgq5-7wc2

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-erlang-otp-ssh-xyZZy

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-erlang-otp-ssh-xyZZy
NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2025-32433