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5.3
MEDIUM CVSS 3.1
CVE-2020-8552
Kubernetes API Server Remote Denial of Service
Description

The Kubernetes API server component in versions prior to 1.15.9, 1.16.0-1.16.6, and 1.17.0-1.17.2 has been found to be vulnerable to a denial of service attack via successful API requests.

INFO

Published Date :

March 27, 2020, 3:15 p.m.

Last Modified :

Nov. 21, 2024, 5:39 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2020-8552 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Fedoraproject fedora
1 Kubernetes kubernetes
: Total Affected Vendor : 2 | Products : 2
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
Solution
The Kubernetes API server is vulnerable to a denial of service attack; updating the affected packages is necessary.
  • Update the Kubernetes packages.
  • Update the affected OpenShift Container Platform packages.
Public PoC/Exploit Available at Github

CVE-2020-8552 has a 5 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-8552.

URL Resource
https://github.com/kubernetes/kubernetes/issues/89378 Issue Tracking Patch Third Party Advisory
https://groups.google.com/forum/#%21topic/kubernetes-security-announce/2UOlsba2g0s
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/
https://security.netapp.com/advisory/ntap-20200413-0003/ Third Party Advisory
https://github.com/kubernetes/kubernetes/issues/89378 Issue Tracking Patch Third Party Advisory
https://groups.google.com/forum/#%21topic/kubernetes-security-announce/2UOlsba2g0s
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/
https://security.netapp.com/advisory/ntap-20200413-0003/ Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-8552 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-8552 weaknesses.

CAPEC-125: Flooding Flooding CAPEC-130: Excessive Allocation Excessive Allocation CAPEC-147: XML Ping of the Death XML Ping of the Death CAPEC-197: Exponential Data Expansion Exponential Data Expansion CAPEC-229: Serialized Data Parameter Blowup Serialized Data Parameter Blowup CAPEC-230: Serialized Data with Nested Payloads Serialized Data with Nested Payloads CAPEC-231: Oversized Serialized Data Payloads Oversized Serialized Data Payloads CAPEC-469: HTTP DoS HTTP DoS CAPEC-482: TCP Flood TCP Flood CAPEC-486: UDP Flood UDP Flood CAPEC-487: ICMP Flood ICMP Flood CAPEC-488: HTTP Flood HTTP Flood CAPEC-489: SSL Flood SSL Flood CAPEC-490: Amplification Amplification CAPEC-491: Quadratic Data Expansion Quadratic Data Expansion CAPEC-493: SOAP Array Blowup SOAP Array Blowup CAPEC-494: TCP Fragmentation TCP Fragmentation CAPEC-495: UDP Fragmentation UDP Fragmentation CAPEC-496: ICMP Fragmentation ICMP Fragmentation CAPEC-528: XML Flood XML Flood

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
DanielePeruzzi97/rancher-k3s-docker

Learning how to deploy a simple 3 nodes (1 server and 2 agents) k3s cluster with rancher ui installed through a docker-compose.

Dockerfile Shell

Updated: 1 year, 5 months ago
0 stars 0 fork 0 watcher
Born at : March 25, 2024, 9:50 a.m. This repo has been linked 3 different CVEs too.
Profile Photo
adavarski/HomeLab-k8s-DevSecOps-playground

⚙ DevSecOps Kubernetes Playground ("A Hacker's Guide to Kubernetes")

Dockerfile Shell Ruby Smarty Jinja HCL

Updated: 3 months, 1 week ago
17 stars 2 fork 2 watcher
Born at : July 1, 2022, 7:12 a.m. This repo has been linked 57 different CVEs too.
Profile Photo
neargle/re0-kubernetes-sec-archive

:atom: [WIP] 整理过去的分享，从零开始的Kubernetes攻防 🧐

blackhat hitbsecconf hitb cis cloud-native containers k8s kubernetes

Shell Python

Updated: 3 weeks, 1 day ago
3086 stars 450 fork 450 watcher
Born at : Feb. 24, 2021, 3:55 a.m. This repo has been linked 16 different CVEs too.
Profile Photo
cainzhong/cks-learning-guide

None

Updated: 1 month, 2 weeks ago
2 stars 3 fork 3 watcher
Born at : Nov. 21, 2020, 7:45 a.m. This repo has been linked 3 different CVEs too.
Profile Photo
walidshaari/cks

None

Updated: 4 years, 10 months ago
0 stars 4 fork 4 watcher
Born at : Sept. 27, 2020, 5:20 p.m. This repo has been linked 2 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-8552 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2020-8552 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/kubernetes/kubernetes/issues/89378
    Added Reference https://groups.google.com/forum/#%21topic/kubernetes-security-announce/2UOlsba2g0s
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/
    Added Reference https://security.netapp.com/advisory/ntap-20200413-0003/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference Kubernetes https://groups.google.com/forum/#%21topic/kubernetes-security-announce/2UOlsba2g0s [No types assigned]
    Added Reference Kubernetes https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/ [No types assigned]
    Removed Reference Kubernetes https://groups.google.com/forum/#!topic/kubernetes-security-announce/2UOlsba2g0s
    Removed Reference Kubernetes https://lists.fedoraproject.org/archives/list/[email protected]/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/
  • Modified Analysis by [email protected]

    Jan. 27, 2023

    Action Type Old Value New Value
    Changed Reference Type https://github.com/kubernetes/kubernetes/issues/89378 Patch, Third Party Advisory https://github.com/kubernetes/kubernetes/issues/89378 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/ Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jul. 24, 2020

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Jul. 10, 2020

    Action Type Old Value New Value
    Removed CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:N/I:N/A:P)
    Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
    Changed Reference Type https://security.netapp.com/advisory/ntap-20200413-0003/ No Types Assigned https://security.netapp.com/advisory/ntap-20200413-0003/ Third Party Advisory
  • CVE Modified by [email protected]

    Apr. 13, 2020

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20200413-0003/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Apr. 01, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://github.com/kubernetes/kubernetes/issues/89378 No Types Assigned https://github.com/kubernetes/kubernetes/issues/89378 Patch, Third Party Advisory
    Changed Reference Type https://groups.google.com/forum/#!topic/kubernetes-security-announce/2UOlsba2g0s No Types Assigned https://groups.google.com/forum/#!topic/kubernetes-security-announce/2UOlsba2g0s Mailing List, Third Party Advisory
    Added CWE NIST CWE-770
    Added CPE Configuration OR *cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* versions up to (including) 1.15.9 *cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* versions from (including) 1.16.0 up to (including) 1.16.6 *cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* versions from (including) 1.17.0 up to (including) 1.17.2
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 5.3
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 4
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.16 }} -0.49%

score

0.33694

percentile