Privilege Escalation via Scope Manipulation in UAA

published 2019-09-26 7y ago modified 2026-06-17 4mo ago also EUVD-2019-2967

cvss: 8.7; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.3%; EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits: 0; none known

CF UAA versions prior to 74.1.0 can request scopes for a client that shouldn't be allowed by submitting an array of requested scopes. A remote malicious user can escalate their own privileges to any scope, allowing them to take control of UAA and the resources it controls.

Patch / fix

fixed in 1

cloudfoundry uaa_release 74.1.0

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Exploit prediction

1.33% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	8.7	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

Cloud Foundry UAA Release (OSS)

Classification

Weakness

CWE-77 Improper Neutralization of Special Elements used in a Command

References

cloudfoundry.org /blog/cve-2019-11279
vendor-advisory

Sources

CVE List CVE-2019-11279
NVD CVE-2019-11279

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