CVE-2017-8034

Name: CVE-2017-8034
Creator: NVD / NIST
Published: 2017-07-17T14:29:01.28+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.75%

Last modified Jun 17, 2026

CVE-2017-8034 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.75% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

0.75%

50.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-565

Affected Software

Vendor	Product	Versions
Cloudfoundry	Capi-Release	<= 1.31.0
Cloudfoundry	Cf-Release	<= 266
Cloudfoundry	Routing-Release	<= 0.158.0

References

https://www.cloudfoundry.org/cve-2017-8034/Vendor Advisory
https://www.cloudfoundry.org/cve-2017-8034/Vendor Advisory

Timeline

Published: Jul 17, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-8034?

How severe is CVE-2017-8034?

Severity scoring for CVE-2017-8034 is pending analysis. The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.

How do I fix CVE-2017-8034?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-8034?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST