ubuntu-cve-2025-32433
Vulnerability from osv_ubuntu
Published
2025-04-16 00:00
Modified
2026-04-22 07:54
Summary
Details
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
10.0 (Critical)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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"binary_name": "erlang-megaco",
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{
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},
{
"binary_name": "erlang-inets",
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},
{
"binary_name": "erlang-jinterface",
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},
{
"binary_name": "erlang-manpages",
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},
{
"binary_name": "erlang-megaco",
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},
{
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{
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{
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{
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{
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},
{
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},
{
"binary_name": "erlang-reltool",
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{
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},
{
"binary_name": "erlang-snmp",
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},
{
"binary_name": "erlang-src",
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},
{
"binary_name": "erlang-ssh",
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},
{
"binary_name": "erlang-ssl",
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},
{
"binary_name": "erlang-syntax-tools",
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},
{
"binary_name": "erlang-tftp",
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},
{
"binary_name": "erlang-tools",
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},
{
"binary_name": "erlang-wx",
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},
{
"binary_name": "erlang-x11",
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},
{
"binary_name": "erlang-xmerl",
"binary_version": "1:24.2.1+dfsg-1ubuntu0.4"
}
],
"priority_reason": "unauthenticated remote code execution (RCE)"
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "erlang",
"purl": "pkg:deb/ubuntu/erlang@1:24.2.1+dfsg-1ubuntu0.4?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1:24.2.1+dfsg-1ubuntu0.4"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:23.2.6+dfsg-1build1",
"1:24.1.1+dfsg-1",
"1:24.1.4+dfsg-1",
"1:24.1.5+dfsg-1",
"1:24.1.5+dfsg-1ubuntu1",
"1:24.2+dfsg-1",
"1:24.2.1+dfsg-1",
"1:24.2.1+dfsg-1ubuntu0.1",
"1:24.2.1+dfsg-1ubuntu0.2",
"1:24.2.1+dfsg-1ubuntu0.3"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "erlang",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-asn1",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-base",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-common-test",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-crypto",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-debugger",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-dialyzer",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-diameter",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-edoc",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-eldap",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-erl-docgen",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-et",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-eunit",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-examples",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-ftp",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-inets",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-jinterface",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-manpages",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-megaco",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-mnesia",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-mode",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-nox",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-observer",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-odbc",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-os-mon",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-parsetools",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-public-key",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-reltool",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-runtime-tools",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-snmp",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-src",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-ssh",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-ssl",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-syntax-tools",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-tftp",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-tools",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-wx",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-x11",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
},
{
"binary_name": "erlang-xmerl",
"binary_version": "1:25.3.2.8+dfsg-1ubuntu4.3"
}
],
"priority_reason": "unauthenticated remote code execution (RCE)"
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "erlang",
"purl": "pkg:deb/ubuntu/erlang@1:25.3.2.8+dfsg-1ubuntu4.3?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
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},
{
"fixed": "1:25.3.2.8+dfsg-1ubuntu4.3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:25.2.3+dfsg-1",
"1:25.3.2.8+dfsg-1",
"1:25.3.2.8+dfsg-1ubuntu1",
"1:25.3.2.8+dfsg-1ubuntu3",
"1:25.3.2.8+dfsg-1ubuntu4",
"1:25.3.2.8+dfsg-1ubuntu4.1",
"1:25.3.2.8+dfsg-1ubuntu4.2"
]
}
],
"aliases": [],
"details": "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.",
"id": "UBUNTU-CVE-2025-32433",
"modified": "2026-04-22T07:54:10Z",
"published": "2025-04-16T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2025-32433"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-32433"
},
{
"type": "REPORT",
"url": "https://github.com/erlang/otp/security/advisories/GHSA-37cp-fgq5-7wc2"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-7443-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-7443-2"
},
{
"type": "REPORT",
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-7443-3"
}
],
"related": [
"USN-7443-1",
"USN-7443-2",
"USN-7443-3"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2025-32433"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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.
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