Critical
Security advisory
An Unsafe Deserialization vulnerability exists in the worker services of the Apache Storm supervisor server allowing pre-auth Remote Code Execution (RCE). Apache Storm 2.2.x users should upgrade to version 2.2.1 or 2.3.0. Apache Storm 2.1.x users should upgrade to version 2.1.1. Apache Storm 1.x users should upgrade to version 1.2.4
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-40865
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:22 UTC · Revision 1
Source evidence
An Unsafe Deserialization vulnerability exists in the worker services of the Apache Storm supervisor server allowing pre-auth Remote Code Execution (RCE). Apache Storm 2.2.x users should upgrade to version 2.2.1 or 2.3.0. Apache Storm 2.1.x users should upgrade to version 2.1.1. Apache Storm 1.x users should upgrade to version 1.2.4
osv:CVE-2021-40865
Complete source record
{
"id": "83cdb3b2dd7a7fa8ab6067b065b30c1b8fcf17a301dfe08de74e77a39111e538",
"url": "https://osv.dev/vulnerability/CVE-2021-40865",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-40865",
"summary": "An Unsafe Deserialization vulnerability exists in the worker services of the Apache Storm supervisor server allowing pre-auth Remote Code Execution (RCE). Apache Storm 2.2.x users should upgrade to version 2.2.1 or 2.3.0. Apache Storm 2.1.x users should upgrade to version 2.1.1. Apache Storm 1.x users should upgrade to version 1.2.4",
"evidence": "osv:CVE-2021-40865",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2021-40865",
"aliases": [
"CVE-2021-40865",
"GHSA-w729-7633-2fw5"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/apache/storm",
"type": "GIT",
"events": [
{
"introduced": "dba655a47aaad74f26b9bb9a75fa52c0eedd8b1e"
},
{
"fixed": "1bc944091b727e9a892bb36349231fcc57d9ea30"
},
{
"introduced": "79fc9b3e6aeec623b42d165536a936d28f2b12f1"
},
{
"fixed": "c5009d993ee049cd0b7c3fe0dad2fc8f700ddb5f"
},
{
"introduced": "bf1986345de5de605abb4fc7b6051fce762bbca5"
},
{
"fixed": "1d86ffd1adc1920e6788a76f017b2e2f873a7162"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:apache:storm:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.0.0"
},
{
"fixed": "1.2.4"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:apache:storm:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.1.0"
},
{
"fixed": "2.1.1"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:apache:storm:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.2.0"
},
{
"fixed": "2.2.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v2.2.0",
"v2.1.0",
"v1.2.3",
"v1.2.2",
"v1.2.1",
"v1.2.0",
"v1.1.0",
"v1.0.1",
"v1.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-40865.json"
}
}
],
"modified": "2026-10-24T10:30:52.406009283Z",
"provider": "osv",
"references": [
"https://lists.apache.org/thread.html/r8d45e74299897b6734dd0f788c46a631009ce2eeb731523386f7a253%40%3Cuser.storm.apache.org%3E",
"https://seclists.org/oss-sec/2021/q4/45"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-40865",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 437689,
"published_at": "2021-10-25T13:15:08.14+00:00"
}