#VU58173 Resource exhaustion in Cloud Controller - CVE-2021-22101
Published: November 16, 2021
Vulnerability identifier: #VU58173
Vulnerability risk: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2021-22101
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Cloud Controller
Cloud Controller
Software vendor:
Cloud Foundry Foundation
Cloud Foundry Foundation
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion by using REST HTTP requests with label_selectors on multiple V3 endpoints by generating an enormous SQL query.
Remediation
Install updates from vendor's website.