CVE-2021-25740
Published: 20 September 2021
Summary
CVE-2021-25740 is a low-severity Confused Deputy (CWE-441) vulnerability in Kubernetes Kubernetes. Its CVSS base score is 3.1 (Low).
Operationally, ranked in the top 33.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-2120
Vulnerability details
A security issue was discovered with Kubernetes that could enable users to send network traffic to locations they would otherwise not have access to via a confused deputy attack.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Mitigates confused deputy risks by ensuring distinct privilege domains so one partition cannot unintentionally act on behalf of another.
Limits impact of an externally controlled reference to a primary information resource by switching to an identified alternative.