Vulnerability in Cloudfoundry Capi-Release
CVE-2023-20881
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.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (28.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Cloudfoundry Capi-Release
- Cloudfoundry Cf-Deployment
- Cloudfoundry Loggregator-Agent
- Cloud Controller API — versions Cloud Foundry cloud controller API versions between 1.140 and 1.152.0 and loggregator-agent v7+
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2023-20881?
- CVE-2023-20881 is a high-severity vulnerability in Cloudfoundry Capi-Release, classified under Improper Certificate Validation. CVSS score: 8.1/10. Published 2023-05-19.
- How severe is CVE-2023-20881?
- High severity. CVSS v3 base score is 8.1 out of 10.