CVE-2021-4178

kubernetes-client: Insecure deserialization in unmarshalYaml method

Severity Score

6.7

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A arbitrary code execution flaw was found in the Fabric 8 Kubernetes client affecting versions 5.0.0-beta-1 and above. Due to an improperly configured YAML parsing, this will allow a local and privileged attacker to supply malicious YAML.

Se ha encontrado un fallo de ejecución de código arbitrario en el cliente de Kubernetes Fabric 8 afectando a versiones 5.0.0-beta-1 y superiores. Debido a una configuración incorrecta del análisis de YAML, esto permitirá a un atacante local y con privilegios suministrar YAML malicioso.

Red Hat AMQ Streams, based on the Apache Kafka project, offers a distributed backbone that allows microservices and other applications to share data with extremely high throughput and extremely low latency. This release of Red Hat AMQ Streams 1.6.7 serves as a replacement for Red Hat AMQ Streams 1.6.6, and includes security and bug fixes, and enhancements. For further information, refer to the release notes linked to in the References section. Issues addressed include code execution, deserialization, and remote SQL injection vulnerabilities.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

Multiple

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-12-27 CVE Reserved
2022-02-09 CVE Published
2024-08-03 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-502: Deserialization of Untrusted Data

CAPEC

References (4)

URL	Tag	Source
https://github.com/advisories/GHSA-98g7-rxmf-rrxm	Third Party Advisory
https://github.com/fabric8io/kubernetes-client/issues/3653	Issue Tracking

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2021-4178	2022-10-04
https://bugzilla.redhat.com/show_bug.cgi?id=2034388	2022-10-04

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Redhat Search vendor "Redhat"		Fabric8-kubernetes Search vendor "Redhat" for product "Fabric8-kubernetes"				>= 5.0.1 < 5.0.3 Search vendor "Redhat" for product "Fabric8-kubernetes" and version " >= 5.0.1 < 5.0.3"		-		Affected
Redhat Search vendor "Redhat"		Fabric8-kubernetes Search vendor "Redhat" for product "Fabric8-kubernetes"				>= 5.1.0 < 5.1.2 Search vendor "Redhat" for product "Fabric8-kubernetes" and version " >= 5.1.0 < 5.1.2"		-		Affected
Redhat Search vendor "Redhat"		Fabric8-kubernetes Search vendor "Redhat" for product "Fabric8-kubernetes"				>= 5.2.0 < 5.3.2 Search vendor "Redhat" for product "Fabric8-kubernetes" and version " >= 5.2.0 < 5.3.2"		-		Affected
Redhat Search vendor "Redhat"		Fabric8-kubernetes Search vendor "Redhat" for product "Fabric8-kubernetes"				>= 5.5.0 < 5.7.4 Search vendor "Redhat" for product "Fabric8-kubernetes" and version " >= 5.5.0 < 5.7.4"		-		Affected
Redhat Search vendor "Redhat"		Fabric8-kubernetes Search vendor "Redhat" for product "Fabric8-kubernetes"				>= 5.9.0 < 5.10.2 Search vendor "Redhat" for product "Fabric8-kubernetes" and version " >= 5.9.0 < 5.10.2"		-		Affected
Redhat Search vendor "Redhat"		Fabric8-kubernetes Search vendor "Redhat" for product "Fabric8-kubernetes"				>= 5.11.0 < 5.11.2 Search vendor "Redhat" for product "Fabric8-kubernetes" and version " >= 5.11.0 < 5.11.2"		-		Affected
Redhat Search vendor "Redhat"		Fabric8-kubernetes Search vendor "Redhat" for product "Fabric8-kubernetes"				5.0.0 Search vendor "Redhat" for product "Fabric8-kubernetes" and version "5.0.0"		beta1		Affected
Redhat Search vendor "Redhat"		Fabric8-kubernetes Search vendor "Redhat" for product "Fabric8-kubernetes"				5.8.0 Search vendor "Redhat" for product "Fabric8-kubernetes" and version "5.8.0"		-		Affected
Redhat Search vendor "Redhat"		A-mq Streams Search vendor "Redhat" for product "A-mq Streams"				2.0.1 Search vendor "Redhat" for product "A-mq Streams" and version "2.0.1"		-		Affected
Redhat Search vendor "Redhat"		Build Of Quarkus Search vendor "Redhat" for product "Build Of Quarkus"				2.2.5 Search vendor "Redhat" for product "Build Of Quarkus" and version "2.2.5"		-		Affected
Redhat Search vendor "Redhat"		Descision Manager Search vendor "Redhat" for product "Descision Manager"				7.0 Search vendor "Redhat" for product "Descision Manager" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Fuse Search vendor "Redhat" for product "Fuse"				7.11 Search vendor "Redhat" for product "Fuse" and version "7.11"		-		Affected
Redhat Search vendor "Redhat"		Integration Camel K Search vendor "Redhat" for product "Integration Camel K"				-		-		Affected
Redhat Search vendor "Redhat"		Integration Camel Quarkus Search vendor "Redhat" for product "Integration Camel Quarkus"				2.2.1 Search vendor "Redhat" for product "Integration Camel Quarkus" and version "2.2.1"		-		Affected
Redhat Search vendor "Redhat"		Openshift Application Runtimes Search vendor "Redhat" for product "Openshift Application Runtimes"				-		-		Affected
Redhat Search vendor "Redhat"		Process Automation Search vendor "Redhat" for product "Process Automation"				7.0 Search vendor "Redhat" for product "Process Automation" and version "7.0"		-		Affected