CVE-2020-5423

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

CAPI (Cloud Controller) versions prior to 1.101.0 are vulnerable to a denial-of-service attack in which an unauthenticated malicious attacker can send specially-crafted YAML files to certain endpoints, causing the YAML parser to consume excessive CPU and RAM.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-400

Affected software

Vendor	Product	Versions
Cloud Foundry	CAPI	>= All, < 1.101.0
Cloud Foundry	CF Deployment	>= All, < 15.0.0

References

https://www.cloudfoundry.org/blog/cve-2020-5423Vendor Advisory
https://www.cloudfoundry.org/blog/cve-2020-5423Vendor Advisory

Timeline

Published: Dec 2, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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