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CVE-2018-15761

28
FAUCET Score

CVE-2018-15761 describes a privilege escalation vulnerability in Cloud Foundry UAA and UAA release versions prior to 4.23.0 and v64.0, respectively. An authenticated attacker can manipulate a consent page's URL and content to acquire a token with arbitrary scopes, thereby escalating their privileges. This vulnerability carries a high CVSS score of 8.8, indicating a network-based attack with low complexity and high impact on confidentiality, integrity, and availability. While no public exploit code (Metasploit, Nuclei, ExploitDB) or active exploitation has been observed, and community discussion is minimal, the potential for significant impact warrants attention.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.23.0CPE matchmatch criteria
cpe:2.3:a:pivotal_software:cloud_foundry_uaa:*:*:*:*:*:*:*:*
< 64.0CPE matchmatch criteria
cpe:2.3:a:pivotal_software:cloudfoundry_uaa_release:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.9CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.1
Impact Score
6.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.71%
Probability of exploitation in next 30 days
EPSS Percentile
75.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0171 is in the 73rd percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

mavenpatch availablevia ghsa
Product: org.cloudfoundry.identity:cloudfoundry-identity-serverFixed in: 4.23.0

Vendor Advisories (1)

mavenGHSA-292x-hjr8-226fhigh

Cloud Foundry UAA Privilege Escalation

May 13, 2022

References

cloudfoundry.org / blog/cve-2018-15761
Vendor Advisory