CVE-2025-32433 (GCVE-0-2025-32433)
Vulnerability from cvelistv5 – Published: 2025-04-16 21:34 – Updated: 2025-11-03 19:53
VLAI?
Title
Erlang/OTP SSH Vulnerable to Pre-Authentication RCE
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.
Severity ?
10 (Critical)
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2025-11-03T19:53:28.075Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"url": "http://www.openwall.com/lists/oss-security/2025/04/16/2"
},
{
"url": "http://www.openwall.com/lists/oss-security/2025/04/18/1"
},
{
"url": "http://www.openwall.com/lists/oss-security/2025/04/18/2"
},
{
"url": "http://www.openwall.com/lists/oss-security/2025/04/18/6"
},
{
"url": "http://www.openwall.com/lists/oss-security/2025/04/19/1"
},
{
"url": "https://security.netapp.com/advisory/ntap-20250425-0001/"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2025/04/msg00028.html"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-32433",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-08-20T03:55:59.410447Z",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2025-06-09",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-32433"
},
"type": "kev"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-10-21T22:55:18.778Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/ProDefense/CVE-2025-32433/blob/main/CVE-2025-32433.py"
},
{
"tags": [
"vendor-advisory"
],
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-erlang-otp-ssh-xyZZy"
},
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-32433"
}
],
"timeline": [
{
"lang": "en",
"time": "2025-06-09T00:00:00+00:00",
"value": "CVE-2025-32433 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "otp",
"vendor": "erlang",
"versions": [
{
"status": "affected",
"version": "\u003e= OTP-27.0-rc1, \u003c OTP-27.3.3"
},
{
"status": "affected",
"version": "\u003e= OTP-26.0-rc1, \u003c OTP-26.2.5.11"
},
{
"status": "affected",
"version": "\u003c OTP-25.3.2.20"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 10,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-306",
"description": "CWE-306: Missing Authentication for Critical Function",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-04-16T21:34:37.457Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/erlang/otp/security/advisories/GHSA-37cp-fgq5-7wc2",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/erlang/otp/security/advisories/GHSA-37cp-fgq5-7wc2"
},
{
"name": "https://github.com/erlang/otp/commit/0fcd9c56524b28615e8ece65fc0c3f66ef6e4c12",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/erlang/otp/commit/0fcd9c56524b28615e8ece65fc0c3f66ef6e4c12"
},
{
"name": "https://github.com/erlang/otp/commit/6eef04130afc8b0ccb63c9a0d8650209cf54892f",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/erlang/otp/commit/6eef04130afc8b0ccb63c9a0d8650209cf54892f"
},
{
"name": "https://github.com/erlang/otp/commit/b1924d37fd83c070055beb115d5d6a6a9490b891",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/erlang/otp/commit/b1924d37fd83c070055beb115d5d6a6a9490b891"
}
],
"source": {
"advisory": "GHSA-37cp-fgq5-7wc2",
"discovery": "UNKNOWN"
},
"title": "Erlang/OTP SSH Vulnerable to Pre-Authentication RCE"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2025-32433",
"datePublished": "2025-04-16T21:34:37.457Z",
"dateReserved": "2025-04-08T10:54:58.368Z",
"dateUpdated": "2025-11-03T19:53:28.075Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"cisa_known_exploited": {
"cveID": "CVE-2025-32433",
"cwes": "[\"CWE-306\"]",
"dateAdded": "2025-06-09",
"dueDate": "2025-06-30",
"knownRansomwareCampaignUse": "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",
"product": "Erlang/OTP",
"requiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
"shortDescription": "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\u2014but not limited to\u2014Cisco, NetApp, and SUSE.",
"vendorProject": "Erlang",
"vulnerabilityName": "Erlang Erlang/OTP SSH Server Missing Authentication for Critical Function Vulnerability"
},
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"http://www.openwall.com/lists/oss-security/2025/04/16/2\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2025/04/18/1\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2025/04/18/2\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2025/04/18/6\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2025/04/19/1\"}, {\"url\": \"https://security.netapp.com/advisory/ntap-20250425-0001/\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2025/04/msg00028.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T19:53:28.075Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-32433\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-08-20T03:55:59.410447Z\"}}}, {\"other\": {\"type\": \"kev\", \"content\": {\"dateAdded\": \"2025-06-09\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-32433\"}}}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2025-06-09T00:00:00+00:00\", \"value\": \"CVE-2025-32433 added to CISA KEV\"}], \"references\": [{\"url\": \"https://github.com/ProDefense/CVE-2025-32433/blob/main/CVE-2025-32433.py\", \"tags\": [\"exploit\"]}, {\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-erlang-otp-ssh-xyZZy\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-32433\", \"tags\": [\"government-resource\"]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-04-17T13:07:27.220Z\"}}], \"cna\": {\"title\": \"Erlang/OTP SSH Vulnerable to Pre-Authentication RCE\", \"source\": {\"advisory\": \"GHSA-37cp-fgq5-7wc2\", \"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 10, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"CRITICAL\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}], \"affected\": [{\"vendor\": \"erlang\", \"product\": \"otp\", \"versions\": [{\"status\": \"affected\", \"version\": \"\u003e= OTP-27.0-rc1, \u003c OTP-27.3.3\"}, {\"status\": \"affected\", \"version\": \"\u003e= OTP-26.0-rc1, \u003c OTP-26.2.5.11\"}, {\"status\": \"affected\", \"version\": \"\u003c OTP-25.3.2.20\"}]}], \"references\": [{\"url\": \"https://github.com/erlang/otp/security/advisories/GHSA-37cp-fgq5-7wc2\", \"name\": \"https://github.com/erlang/otp/security/advisories/GHSA-37cp-fgq5-7wc2\", \"tags\": [\"x_refsource_CONFIRM\"]}, {\"url\": \"https://github.com/erlang/otp/commit/0fcd9c56524b28615e8ece65fc0c3f66ef6e4c12\", \"name\": \"https://github.com/erlang/otp/commit/0fcd9c56524b28615e8ece65fc0c3f66ef6e4c12\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/erlang/otp/commit/6eef04130afc8b0ccb63c9a0d8650209cf54892f\", \"name\": \"https://github.com/erlang/otp/commit/6eef04130afc8b0ccb63c9a0d8650209cf54892f\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/erlang/otp/commit/b1924d37fd83c070055beb115d5d6a6a9490b891\", \"name\": \"https://github.com/erlang/otp/commit/b1924d37fd83c070055beb115d5d6a6a9490b891\", \"tags\": [\"x_refsource_MISC\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"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.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-306\", \"description\": \"CWE-306: Missing Authentication for Critical Function\"}]}], \"providerMetadata\": {\"orgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"shortName\": \"GitHub_M\", \"dateUpdated\": \"2025-04-16T21:34:37.457Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2025-32433\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-03T19:53:28.075Z\", \"dateReserved\": \"2025-04-08T10:54:58.368Z\", \"assignerOrgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"datePublished\": \"2025-04-16T21:34:37.457Z\", \"assignerShortName\": \"GitHub_M\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…