CVE-2025-32433 (GCVE-0-2025-32433)
Vulnerability from cvelistv5
Published
2025-04-16 21:34
Modified
2025-11-03 19:53
Severity ?
10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE
  • CWE-306 - Missing Authentication for Critical Function
Summary
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.
References
security-advisories@github.com https://github.com/erlang/otp/commit/0fcd9c56524b28615e8ece65fc0c3f66ef6e4c12 Patch
security-advisories@github.com https://github.com/erlang/otp/commit/6eef04130afc8b0ccb63c9a0d8650209cf54892f Patch
security-advisories@github.com https://github.com/erlang/otp/commit/b1924d37fd83c070055beb115d5d6a6a9490b891 Patch
security-advisories@github.com https://github.com/erlang/otp/security/advisories/GHSA-37cp-fgq5-7wc2 Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2025/04/16/2 Mailing List
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2025/04/18/1 Mailing List
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2025/04/18/2 Mailing List
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2025/04/18/6 Mailing List
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2025/04/19/1 Mailing List
af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2025/04/msg00028.html Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://security.netapp.com/advisory/ntap-20250425-0001/ Third Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0 https://github.com/ProDefense/CVE-2025-32433/blob/main/CVE-2025-32433.py Exploit
134c704f-9b21-4f2e-91b3-4a467353bcc0 https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-erlang-otp-ssh-xyZZy Third Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-32433 US Government Resource
Impacted products
Vendor Product Version
erlang otp Version: >= OTP-27.0-rc1, < OTP-27.3.3
Version: >= OTP-26.0-rc1, < OTP-26.2.5.11
Version: < OTP-25.3.2.20
 Create a notification for this product.
CISA Known Exploited Vulnerability
Data from the CISA Known Exploited Vulnerabilities Catalog

Date added: 2025-06-09

Due date: 2025-06-30

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

Used in ransomware: Unknown

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

Show details on NVD website

To clipboard 

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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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