Unrated
Security advisory
A vulnerability was found in the PCS project. This issue occurs due to incorrect permissions on a Unix socket used for internal communication between PCS daemons. A privilege escalation could happen by obtaining an authentication token for a hacluster user. With the "hacluster" token, this flaw allows an attacker to have complete control over the cluster managed by PCS.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2022-2735
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 17:25 UTC · Revision 1
Source evidence
A vulnerability was found in the PCS project. This issue occurs due to incorrect permissions on a Unix socket used for internal communication between PCS daemons. A privilege escalation could happen by obtaining an authentication token for a hacluster user. With the "hacluster" token, this flaw allows an attacker to have complete control over the cluster managed by PCS.
osv:CVE-2022-2735
Complete source record
{
"id": "284ccaf7956ae2c2ead46bb1d5abc4eb59e82b8a9cceb47101a36e43a135ad62",
"url": "https://osv.dev/vulnerability/CVE-2022-2735",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2022-2735",
"summary": "A vulnerability was found in the PCS project. This issue occurs due to incorrect permissions on a Unix socket used for internal communication between PCS daemons. A privilege escalation could happen by obtaining an authentication token for a hacluster user. With the \"hacluster\" token, this flaw allows an attacker to have complete control over the cluster managed by PCS.",
"evidence": "osv:CVE-2022-2735",
"products": [],
"severity": "unknown",
"structured": {
"id": "CVE-2022-2735",
"aliases": [
"CVE-2022-2735"
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/clusterlabs/pcs",
"type": "GIT",
"events": [
{
"introduced": "148ba94058d0ff2fa5eccf17efe1d0d2554513f0"
},
{
"last_affected": "5c663dbcb73493023f6be40d34688d363e921c22"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:clusterlabs:pcs:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.10.5"
},
{
"last_affected": "0.11.3"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v0.11.3",
"v0.11.2",
"v0.11.1",
"v0.11.1.alpha.1",
"v0.10.10",
"v0.10.9",
"v0.10.8",
"0.10.8",
"v0.10.7",
"0.10.7",
"0.10.6",
"0.10.5"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-2735.json"
}
}
],
"modified": "2026-10-28T02:30:51.237872964Z",
"provider": "osv",
"references": [
"https://access.redhat.com/security/cve/CVE-2022-2735",
"https://www.openwall.com/lists/oss-security/2022/09/01/4",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/2xxx/CVE-2022-2735.json",
"https://nvd.nist.gov/vuln/detail/CVE-2022-2735",
"https://www.debian.org/security/2022/dsa-5226",
"https://bugzilla.redhat.com/show_bug.cgi?id=2116815"
],
"provider_metadata": {
"cwe_ids": [
"CWE-276"
],
"cna_assigner": "redhat",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"introduced": "Affects v0.10.5 and later including all 0.11.x."
},
{
"last_affected": "Affects v0.10.5 and later including all 0.11.x."
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/2xxx/CVE-2022-2735.json"
}
},
"related_cves": [
{
"value": "CVE-2022-2735",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 519976,
"published_at": "2022-09-06T17:18:51+00:00"
}