CVE-2017-8034

moderate-risk
Published 2017-07-17

The Cloud Controller and Router in Cloud Foundry (CAPI-release capi versions prior to v1.32.0, Routing-release versions prior to v0.159.0, CF-release versions prior to v267) do not validate the issuer on JSON Web Tokens (JWTs) from UAA. With certain multi-zone UAA configurations, zone administrators are able to escalate their privileges.

Do I need to act?

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0.47% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.6/10 Medium
NETWORK / HIGH complexity

Affected Products (3)

Routing-Release

Affected Vendors

Cloudfoundry

References (2)

Vendor Advisory https://www.cloudfoundry.org/cve-2017-8034/
Vendor Advisory https://www.cloudfoundry.org/cve-2017-8034/
31
/ 100
moderate-risk
Severity 20/34 · Moderate
Exploitability 2/34 · Minimal
Exposure 9/34 · Low