Improper authentication in clusterlabs/pcs
Priority MEDIUM 42CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 4 fixed, 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-287.
Summary
A flaw was found in the Pacemaker configuration tool (pcs). The pcs daemon was allowing expired accounts, and accounts with expired passwords to login when using PAM authentication. Therefore, unprivileged expired accounts that have been denied access could still login.
Why it matters now
EPSS 0.01969 80th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 2 advisoriesRed Hat: 4 fixed, 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | clusterlabs/pcs | pcs versions <= v0.11.2 | — | No fix listed | CNA |
- clusterlabs/pcs Vendor— Affected pcs versions <= v0.11.2 Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:clusterlabs:pcs:*:*:*:*:*:*:*:* | up to 0.11.2 | Vulnerable | ClusterLabs |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 11.0 | Vulnerable | Debian |
- cpe:2.3:a:clusterlabs:pcs:*:*:*:*:*:*:*:* Versions up to 0.11.2 Vulnerable ·ClusterLabs
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian
Remediation
Red Hat 2 advisories
- RHSA-2022:7935 Released 2022-11-15 · Red Hat rating Moderatepcs security, bug fix, and enhancement update
- Red Hat Enterprise Linux High Availability (v. 9) pcs-0.11.3-4.el9, pcs-snmp-0.11.3-4.el9
- Red Hat Enterprise Linux Resilient Storage (v. 9) pcs-0.11.3-4.el9, pcs-snmp-0.11.3-4.el9
- RHSA-2022:7447 Released 2022-11-08 · Red Hat rating Moderatepcs security, bug fix, and enhancement update
- Red Hat Enterprise Linux High Availability (v. 8) pcs-0.10.14-5.el8, pcs-snmp-0.10.14-5.el8
- Red Hat Enterprise Linux Resilient Storage (v. 8) pcs-0.10.14-5.el8, pcs-snmp-0.10.14-5.el8
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux High Availability (v. 8) | Fixed | RHSA-2022:7447 |
| Red Hat Enterprise Linux High Availability (v. 9) | Fixed | RHSA-2022:7935 |
| Red Hat Enterprise Linux Resilient Storage (v. 8) | Fixed | RHSA-2022:7447 |
| Red Hat Enterprise Linux Resilient Storage (v. 9) | Fixed | RHSA-2022:7935 |
Timeline
- 2026-10-02 Threatist record created from CVE-2022-1049
- 2026-10-03 Alias added: GHSA-hhh9-rwf2-2pp5
References
Sources
- CVE-2022-1049 · CVE Program
- CVE-2022-1049 · NVD
- FIRST EPSS
- GHSA-hhh9-rwf2-2pp5 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-1049 · Red Hat security data · CC BY 4.0
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