Privilege escalation in Cilium
CVE-2022-29179
Cilium is open source software for providing and securing network connectivity and loadbalancing between application workloads. Prior to versions 1.9.16, 1.10.11, and 1.11.15, if an attacker is able to perform a container escape of a container running as root on a host where Cilium is installed, the attacker can escalate privileges to cluster admin by using Cilium's Kubernetes service account. The problem has been fixed and the patch is available in versions 1.9.16, 1.10.11, and 1.11.5. There are no known workarounds available.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (27.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Cilium — versions < 1.9.16, >= 1.10.0, < 1.10.11, >= 1.11.0, < 1.11.5
Weakness classification (CWE)
References
- github.com/cilium/cilium/releases/tag/v1.10.11 (Third Party Advisory, Release Notes)
- github.com/cilium/cilium/releases/tag/v1.11.5 (Third Party Advisory, Release Notes)
- github.com/cilium/cilium/releases/tag/v1.9.16 (Third Party Advisory, Release Notes)
- github.com/cilium/cilium/security/advisories/GHSA-fmrf-gvjp-5j5g (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-29179?
- CVE-2022-29179 is a high-severity vulnerability in Cilium, classified under Improper Privilege Management. CVSS score: 7.5/10. Published 2022-05-20.
- How severe is CVE-2022-29179?
- High severity. CVSS v3 base score is 7.5 out of 10.