{"id":"CVE-2025-32433","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-32433","generatedAt":"2026-10-31T06:57:55.737Z","title":"Erlang Erlang/OTP SSH Server Missing Authentication for Critical Function Vulnerability","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.","published":"2025-04-16T22:15:14.000Z","lastModified":"2026-06-17T09:11:59.000Z","status":"Analyzed","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":10,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"},"cwe":["CWE-306"],"affected":["erlang/erlang\\/otp","cisco/confd basic","cisco/network services orchestrator","cisco/cloud native broadband network gateway","cisco/inode manager","cisco/smart phy","cisco/ultra packet core","cisco/ultra services platform","cisco/staros","cisco/optical site manager","cisco/ncs 2000 shelf virtualization orchestrator firmware","cisco/enterprise nfv infrastructure software","cisco/ultra cloud core","cisco/rv160w firmware","cisco/rv260 firmware","cisco/rv160 firmware","cisco/rv260p firmware","cisco/rv260w firmware","cisco/rv340 firmware","cisco/rv340w firmware","cisco/rv345 firmware","cisco/rv345p firmware","debian/debian linux"],"epss":{"score":0.98924,"percentile":0.99928,"date":"2026-10-30","history":[]},"kev":{"listed":true,"dateAdded":"2025-06-09","dueDate":"2025-06-30","knownRansomwareCampaignUse":"Unknown","notes":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.\nThis 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"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 30 June 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"https://github.com/erlang/otp/commit/0fcd9c56524b28615e8ece65fc0c3f66ef6e4c12","tags":["Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/erlang/otp/commit/6eef04130afc8b0ccb63c9a0d8650209cf54892f","tags":["Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/erlang/otp/commit/b1924d37fd83c070055beb115d5d6a6a9490b891","tags":["Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/erlang/otp/security/advisories/GHSA-37cp-fgq5-7wc2","tags":["Vendor Advisory"],"source":"security-advisories@github.com"},{"url":"http://www.openwall.com/lists/oss-security/2025/04/16/2","tags":["Mailing List"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2025/04/18/1","tags":["Mailing List"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2025/04/18/2","tags":["Mailing List"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2025/04/18/6","tags":["Mailing List"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2025/04/19/1","tags":["Mailing List"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/04/msg00028.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20250425-0001/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/ProDefense/CVE-2025-32433/blob/main/CVE-2025-32433.py","tags":["Exploit"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-erlang-otp-ssh-xyZZy","tags":["Third Party Advisory"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-32433","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-32433","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}