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CVE-2025-32433

10.0 · CRITICALActively Exploited

Erlang/OTP is a set of libraries for the Erlang programming language.

Published Apr 16, 2025CWE-306EPSS 98.79%

Overview

CVE-2025-32433 is a critical-severity vulnerability. It was published on April 16, 2025 and has a CVSS 3.1 base score of 10.0 (CRITICAL). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Erlang/OTP is a set of libraries for the Erlang programming language. Prior to versions OTP-27.3.3, OTP-26.2.5.11, and OTP-25.3.2.20, a SSH server may allow an attacker to perform unauthenticated remote code execution (RCE). By exploiting a flaw in SSH protocol message handling, a malicious actor could gain unauthorized access to affected systems and execute arbitrary commands without valid credentials. This issue is patched in versions OTP-27.3.3, OTP-26.2.5.11, and OTP-25.3.2.20. A temporary workaround involves disabling the SSH server or to prevent access via firewall rules.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/erlang/otp/commit/0fcd9c56524b28615e8ece65fc0c3f66ef6e4c12GitHubgithub.com/erlang/otp/commit/6eef04130afc8b0ccb63c9a0d8650209cf54892fGitHubgithub.com/erlang/otp/commit/b1924d37fd83c070055beb115d5d6a6a9490b891GitHubgithub.com/erlang/otp/security/advisories/GHSA-37cp-fgq5-7wc2Refwww.openwall.com/lists/oss-security/2025/04/16/2Refwww.openwall.com/lists/oss-security/2025/04/18/1Refwww.openwall.com/lists/oss-security/2025/04/18/2Refwww.openwall.com/lists/oss-security/2025/04/18/6Refwww.openwall.com/lists/oss-security/2025/04/19/1Reflists.debian.org/debian-lts-announce/2025/04/msg00028.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-32433?

CVE-2025-32433 is a critical-severity vulnerability. It was published on April 16, 2025 and has a CVSS 3.1 base score of 10.0 (CRITICAL). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

How severe is CVE-2025-32433?

This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-32433?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-32433?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-32433 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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