Medium
Security advisory
In Keepalived through 2.2.4, the D-Bus policy does not sufficiently restrict the message destination, allowing any user to inspect and manipulate any property. This leads to access-control bypass in some situations in which an unrelated D-Bus system service has a settable (writable) property
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-44225
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:01 UTC · Revision 1
Source evidence
In Keepalived through 2.2.4, the D-Bus policy does not sufficiently restrict the message destination, allowing any user to inspect and manipulate any property. This leads to access-control bypass in some situations in which an unrelated D-Bus system service has a settable (writable) property
osv:CVE-2021-44225
Complete source record
{
"id": "145c33aec79e65c2587efd0e4ccbabdda24757a23dee6dfc6b8d3acb70fa877a",
"url": "https://osv.dev/vulnerability/CVE-2021-44225",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-44225",
"summary": "In Keepalived through 2.2.4, the D-Bus policy does not sufficiently restrict the message destination, allowing any user to inspect and manipulate any property. This leads to access-control bypass in some situations in which an unrelated D-Bus system service has a settable (writable) property",
"evidence": "osv:CVE-2021-44225",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2021-44225",
"aliases": [
"CVE-2021-44225"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/acassen/keepalived",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "ab4d7cdf8c96fbe679b82a51289234ed8a68d486"
},
{
"fixed": "7977fec0be89ae6fe87405b3f8da2f0b5e415e3d"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:keepalived:keepalived:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "2.2.4"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "7977fec0be89ae6fe87405b3f8da2f0b5e415e3d"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"v2.2.4",
"v2.2.3",
"v2.2.2",
"v2.2.1",
"v2.2.0",
"v2.1.5",
"v2.1.4",
"v2.1.3",
"v2.1.2",
"v2.1.1",
"v2.1.0",
"v2.0.20",
"v2.0.19",
"v2.0.18",
"v2.0.17",
"v2.0.16",
"v2.0.15",
"v2.0.14",
"v2.0.13",
"v2.0.12",
"v2.0.11",
"v2.0.10",
"v2.0.9",
"v2.0.8",
"v2.0.7",
"v2.0.6",
"v2.0.5",
"v2.0.4",
"v2.0.3",
"v2.0.2",
"v2.0.1",
"v2.0.0",
"v1.4.5",
"v1.4.4",
"v1.4.3",
"v1.4.2",
"v1.4.1",
"v1.4.0",
"v1.3.9",
"v1.3.8",
"v1.3.7",
"v1.3.6",
"v1.3.5",
"v1.3.4",
"v1.3.3",
"v1.3.2",
"1.3.1",
"v1.3.0",
"v1.2.24",
"v1.2.23",
"v1.2.22",
"v1.2.21",
"v1.2.20",
"v1.2.19",
"v1.2.18",
"v1.2.17",
"v1.2.16",
"v1.2.15",
"v1.2.14",
"v1.2.13",
"v1.2.12",
"v1.2.11",
"v1.2.10",
"v1.2.9",
"v1.2.8",
"v1.2.7",
"v1.2.6",
"v1.2.5",
"v1.2.4",
"v1.2.3",
"v1.2.2",
"v1.2.1",
"v1.1.19",
"v1.1.18",
"v1.1.16",
"v1.1.15",
"v1.1.17",
"v1.1.12",
"v1.1.11",
"v1.1.13",
"v1.1.14",
"v1.1.10",
"v1.1.9",
"v1.1.8",
"v1.1.7",
"v1.1.4",
"v1.1.3",
"v1.1.5",
"v1.1.6",
"v1.0.3",
"v1.0.2",
"v1.1.0",
"v1.1.1",
"v1.1.2",
"v0.7.1",
"v0.6.10",
"v0.7.6",
"v1.0.0",
"v1.0.1",
"v0.6.9",
"v0.6.4",
"v0.6.3",
"v0.6.6",
"v0.6.8",
"v0.5.7",
"v0.5.6",
"v0.5.8",
"v0.5.9",
"v0.6.1",
"v0.6.2",
"v0.4.8",
"v0.4.1",
"v0.4.9",
"v0.4.9a",
"v0.5.3",
"v0.5.5",
"v0.2.6",
"v0.2.3",
"v0.2.7",
"v0.3.5",
"v0.3.6",
"v0.3.7",
"v0.3.8",
"v0.4.0",
"v0.2.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-44225.json"
}
}
],
"modified": "2026-10-20T10:55:05.554116215Z",
"provider": "osv",
"references": [
"https://lists.debian.org/debian-lts-announce/2023/04/msg00012.html",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5226RYNMNB7FL4MSJDIBBGPUWH6LMRYV/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6O2R6EXURJQFPFPYFWRCZLUYVWQCLSZM/",
"https://github.com/acassen/keepalived/pull/2063",
"https://github.com/acassen/keepalived/commit/7977fec0be89ae6fe87405b3f8da2f0b5e415e3d"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"
],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
{
"introduced": "34"
},
{
"last_affected": "34"
},
{
"introduced": "35"
},
{
"last_affected": "35"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2021-44225",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 386862,
"published_at": "2021-11-26T00:15:10.017+00:00"
}