CVE-2023-20882

In Cloud foundry routing release versions from 0.262.0 and prior to 0.266.0,a bug in the gorouter process can lead to a denial of service of applications hosted on Cloud Foundry. Under the right circumstances, when client connections are closed prematurely, gorouter marks the currently selected backend as failed and removes it from the routing pool.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
vmwareCNA
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CVEADP
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CISA-ADPADP
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 34%
VendorProductVersion
cloudfoundrycf-deployment
27.4.0 ≤
𝑥
< 29.0.0
cloudfoundryrouting_release
0.262.0 ≤
𝑥
< 0.266.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.cloudfoundry.org/blog/cve-2023-20882-gorouter-pruning-via-client-disconnect-resulting-in-dos/
https://www.cloudfoundry.org/blog/cve-2023-20882-gorouter-pruning-via-client-disconnect-resulting-in-dos/