Kubernetes API Server denial of service vulnerability from malicious YAML payloads (Kubernetes Kubernetes)
At a glance
- Source
- NVD
- EPSS
- EPSS 3.16 % · percentile 88 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- kubernetes
- NVD status
- Modified
Description
The Kubernetes API Server component in versions 1.1-1.14, and versions prior to 1.15.10, 1.16.7 and 1.17.3 allows an authorized user who sends malicious YAML payloads to cause the kube-apiserver to consume excessive CPU cycles while parsing YAML.
Weaknesses (CWE)
- CWE-1050 — Excessive Platform Resource Consumption within a Loop
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | kubernetes |
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | NVD · jordan@liggitt.net (Secondary) |
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P | NVD · nvd@nist.gov (Primary) |
Advisories
- GHSA-wxc4-f4m6-wwqv — Excessive Platform Resource Consumption within a Loop in Kubernetes
- GO-2020-0036 — Excessive resource consumption in YAML parsing in gopkg.in/yaml.v2
European references
- ENISA EUVD · EUVD-2021-2608
- GCVE · GCVE-0-2019-11254
CERT-FR advisories
- CERTFR-2026-AVI-1385 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2022-AVI-591 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*< 1.15.10cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*≥ 1.16.0 < 1.16.7cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*≥ 1.17.0 < 1.17.3
Affected products
| Product | Versions |
|---|---|
| Kubernetes · Kubernetes | affected prior to 1.15.10 ; affected prior to 1.16.7 ; affected prior to 1.17.3 ; affected 1.1 ; affected 1.2 ; affected 1.3 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |