Input validation error in Cloud Controller and CF Deployment - CVE-2020-5423
Published: December 2, 2020 / Updated: December 2, 2020
Vulnerability identifier: #VU48746
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-5423
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send specially crafted YAML files to certain endpoints and perform a denial of service (DoS) attack.
Affected software
Cloud Controller
CF Deployment
VMware Tanzu Application Service for VMs
CF Deployment
VMware Tanzu Application Service for VMs
How to mitigate CVE-2020-5423
Install updates from vendor's website.
Cloud Controller - update to 1.101.0
CF Deployment - update to 15.0.0
VMware Tanzu Application Service for VMs - addressed in versions 2.7.29, 2.9.17, 2.10.9
CF Deployment - update to 15.0.0
VMware Tanzu Application Service for VMs - addressed in versions 2.7.29, 2.9.17, 2.10.9