CVE-2023-20881

Description

Cloud foundry instances having CAPI version between 1.140 and 1.152.0 along with loggregator-agent v7+ may override other users syslog drain credentials if they're aware of the client certificate used for that syslog drain. This applies even if the drain has zero certs. This would allow the user to override the private key and add or modify a certificate authority used for the connection.

Category

8.1
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.11%
Vendor Advisory cloudfoundry.org
Affected: n/a Cloud Controller API
Published at:
Updated at:

References

Link Tags
https://www.cloudfoundry.org/blog/cve-2023-20881-cas-for-syslog-drain-mtls-feature-can-be-overwritten/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-20881?
CVE-2023-20881 has been scored as a high severity vulnerability.
How to fix CVE-2023-20881?
To fix CVE-2023-20881, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-20881 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-20881 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-20881?
CVE-2023-20881 affects n/a Cloud Controller API.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.