CVE-2018-15761
UAA Privilege Escalation
Cloud Foundry UAA release, versions prior to v64.0, and UAA, versions prior to 4.23.0, contains a validation error which allows for privilege escalation. A remote authenticated user may modify the url and content of a consent page to gain a token with arbitrary scopes that escalates their privileges.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
UAA Privilege Escalation
Cloud Foundry UAA release, versions prior to v64.0, and UAA, versions prior to 4.23.0, contains a validation error which allows for privilege escalation. A remote authenticated user may modify the url and content of a consent page to gain a token with arbitrary scopes that escalates their privileges.
- Record
CVE-2018-15761- CVSS 3.0
- 9.9 Critical
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
EUVDEUVD-2022-1946
Cloud Foundry UAA release, versions prior to v64.0, and UAA, versions prior to 4.23.0, contains a validation error which allows for privilege escalation. A remote authenticated user may modify the url and content of a consent page to gain a token with arbitrary scopes that escalates their privileges.
- Record
EUVD-2022-1946- CVSS 3.0
- 9.9 Critical
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-292x-hjr8-226f
Cloud Foundry UAA Privilege Escalation
Cloud Foundry UAA release, versions prior to v64.0, and UAA, versions prior to 4.23.0, contains a validation error which allows for privilege escalation. A remote authenticated user may modify the url and content of a consent page to gain a token with arbitrary scopes that escalates their privileges.
- Record
GHSA-292x-hjr8-226f- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
NVD
Cloud Foundry UAA release, versions prior to v64.0, and UAA, versions prior to 4.23.0, contains a validation error which allows for privilege escalation. A remote authenticated user may modify the url and content of a consent page to gain a token with arbitrary scopes that escalates their privileges.
- Record
CVE-2018-15761- CVSS 3.0
- 9.9 Critical
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Updated
- 2026-11-02
OSV
Cloud Foundry UAA release, versions prior to v64.0, and UAA, versions prior to 4.23.0, contains a validation error which allows for privilege escalation. A remote authenticated user may modify the url and content of a consent page to gain a token with arbitrary scopes that escalates their privileges.
- Record
CVE-2018-15761- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-292x-hjr8-226f
Cloud Foundry UAA Privilege Escalation
Cloud Foundry UAA release, versions prior to v64.0, and UAA, versions prior to 4.23.0, contains a validation error which allows for privilege escalation. A remote authenticated user may modify the url and content of a consent page to gain a token with arbitrary scopes that escalates their privileges.
- Record
GHSA-292x-hjr8-226f- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.cloudfoundry.identity:cloudfoundry-identity-serverMaven |
before 4.23.0 | 4.23.0 |
org.cloudfoundry.identity:cloudfoundry-identity-serverMaven |
before 4.23.0, plus listed versions 3.0.03.0.13.1.03.10.03.12.0 Show 45 moreShow less3.13.03.15.03.16.03.18.03.19.03.2.03.2.13.20.03.3.03.3.0.13.3.0.23.3.0.33.3.0.43.3.0.53.4.03.4.23.4.33.4.43.4.53.5.03.6.03.7.03.7.33.8.03.9.03.9.14.1.04.10.04.10.14.10.24.11.04.12.04.12.14.12.24.12.34.12.44.13.04.13.14.13.34.13.44.14.04.15.04.16.04.17.04.18.0 |
4.23.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-15761 is a critical vulnerability (CVSS 9.9) in Cloud Foundry Uaa, published November 19, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.71%, the 77th percentile. Fixed in org.cloudfoundry.identity:cloudfoundry-identity-server 4.23.0.
References
Left out here: 25 versions. The JSON record has them.