Auth bypass in Clusterlabs Pcs
CVE-2022-1049
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.020 (79.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: +0.000
Affected products
- Clusterlabs Pcs
- Debian Linux — versions 10.0, 11.0
- Clusterlabs/pcs — versions pcs versions <= v0.11.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- huntr.dev/bounties/7aa921fc-a568-4fd8-96f4-7cd826246aa5 (Exploit, Third Party Advisory)
- www.debian.org/security/2022/dsa-5226 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/09/msg00017.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-1049?
- CVE-2022-1049 is a high-severity vulnerability in Clusterlabs Pcs, classified under Improper Authentication. CVSS score: 8.8/10. Published 2022-03-25.
- How severe is CVE-2022-1049?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2022-1049 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.