CVE-2017-8034

medium

Published 2017-07-17 · Modified 2026-05-13

CVSS v3

6.6

CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v2

6.0

VIR risk

6.6

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.

Predictions

Exploit likelihood

75%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: security_alert@emc.com — https://www.cloudfoundry.org/cve-2017-8034/

Application impact

Vendor	Product	Versions
cloudfoundry	capi-release	`{"endIncluding":"1.31.0"}`
cloudfoundry	cf-release	`{"endIncluding":"266"}`
cloudfoundry	routing-release	`{"endIncluding":"0.158.0"}`

References

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

CWEs

CWE-565

Verify integrity in audit chain (admin only). AS-IS.