Kyverno before 1.19.2 contains a denial of service vulnerability in substituteVariablesIfAny that allows low-privileged users to hang the admission…
Kyverno before 1.19.2 contains a denial of service vulnerability in substituteVariablesIfAny that allows low-privileged users to hang the admission webhook via self-referential variable templates. Attackers can create resources whose annotations re-introduce the embedded policy variable, causing unbounded substitution loops that exhaust CPU and memory and block cluster-wide admission.
Read at NIST National Vulnerability Database (CVE API 2.0)
- Vendor
- Kyverno
- Product
- kyverno
- CVSS v3.1
- 7.7 AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
- Weakness
- CWE-835
- NVD status
- Received
Why it ranks 25 (Notable)
- CVSS v3.1 7.7 high
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.