PT-2020-20204 · Kubernetes+2 · Kubernetes+2

Gus Lees · Published 2020-03-23 · Updated 2025-09-08 · CVE-2020-8552

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions Kubernetes versions prior to 1.15.9 Kubernetes versions 1.16.0 through 1.16.6 Kubernetes versions 1.17.0 through 1.17.2

Description The Kubernetes API server component has been found to be vulnerable to a denial of service attack via successful API requests. This issue allows for a denial of service attack, which can be initiated by sending successful API requests to the API server component.

Recommendations For versions prior to 1.15.9, update to version 1.15.9 or later. For versions 1.16.0 through 1.16.6, update to version 1.16.7 or later. For versions 1.17.0 through 1.17.2, update to version 1.17.3 or later.

Exploit

Fix

DoS

Allocation of Resources Without Limits

Resource Exhaustion

Weakness Enumeration

CWE-789

CWE-770

CWE-400

Related Identifiers

ALT-PU-2020-1662

ALT-PU-2020-2338

CVE-2020-8552

GHSA-82HX-W2R5-C2WQ

RHSA-2020:1527

RHSA-2020:2992

Affected Products

Alt Linux

Kubernetes

Red Os

References · 22

• 🔥 https://github.com/tabbysable/POC-2020-8558 · Exploit
• https://github.com/kubernetes/kubernetes/issues/89378 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-8552 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-8552 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-8552 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-8552 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-8552 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-8552 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-8552 · Security Note
• https://osv.dev/vulnerability/GHSA-82hx-w2r5-c2wq · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX · Vendor Advisory
• https://github.com/kubernetes/kubernetes/commit/5978856c4c7f10737a11c9540fe60b8475beecbb · Note
• https://github.com/kubernetes/kubernetes/pull/87669 · Note
• https://groups.google.com/forum/#%21topic/kubernetes-security-announce/2UOlsba2g0s · Note