Deserialization in Redhat A-mq_streams
CVE-2021-4178
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.
Vulnerability class: Insecure Deserialization
EPSS: 0.003 (22.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Redhat A-mq_streams — versions 2.0.1
- Redhat Build_of_quarkus — versions 2.2.5
- Redhat Descision_manager — versions 7.0
- Redhat Fabric8-kubernetes — versions 5.0.0, 5.8.0
- Redhat Fuse — versions 7.11
- Redhat Integration_camel_k
- Redhat Integration_camel_quarkus — versions 2.2.1
- Redhat Openshift_application_runtimes
- Redhat Process_automation — versions 7.0
- N/a Kubernetes-client — versions Affects 5.x versions, Fixed in kubernetes-client v5.0.3 and above.
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_MISC, Issue Tracking, Vendor Advisory)
- secalert@redhat.com (x_refsource_MISC, Vendor Advisory)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC, Issue Tracking)
Frequently asked questions
- What is CVE-2021-4178?
- CVE-2021-4178 is a medium-severity vulnerability in Redhat A-mq_streams, classified under Deserialization of Untrusted Data. CVSS score: 6.7/10. Published 2022-08-24.
- How severe is CVE-2021-4178?
- Medium severity. CVSS v3 base score is 6.7 out of 10.
- Is CVE-2021-4178 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.