CVE-2018-15754 json
UAA can issue tokens across identity providers if users with matching usernames exist
published 2018-12-13 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-7620
- cvss
- 4.2
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 0
- none known
Summary
Cloud Foundry UAA, versions 60 prior to 66.0, contain an authorization logic error. In environments with multiple identity providers that contain accounts across identity providers with the same username, a remote authenticated user with access to one of these accounts may be able to obtain a token for an account of the same username in the other identity provider.
Patch / fix
- Cloud Foundry UAA Release 66.0
Exploit prediction
1.78% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 4.2 | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N |
| NVD | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Affected products
- Cloud Foundry UAA Release
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
cloudfoundry.org
/blog/cve-2018-15754/
mitigation, vendor-advisory
-
cloudfoundry.org
/blog/cve-2018-15754
mitigation, vendor-advisory
-
securityfocus.com
/bid/106240
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-15754
- NVD CVE-2018-15754
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