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CVE-2018-11047

23
FAUCET Score

CVE-2018-11047 describes an improper authorization vulnerability in Cloud Foundry UAA versions 4.19.2 and earlier, 4.12.4 and earlier, 4.10.2 and earlier, 4.7.6 and earlier, and 4.5.7 and earlier. The vulnerability allows refresh tokens, which have longer expiration times, to be used to access administrative endpoints like /Users and /Groups instead of requiring an access token. This issue has a CVSSv3 score of 7.5 (High), indicating a network-based attack with low complexity, no privileges required, and a high impact on integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.5.0, < 4.5.7CPE matchmatch criteria
cpe:2.3:a:pivotal_software:cloud_foundry_uaa:*:*:*:*:*:*:*:*
>= 4.7.0, < 4.7.6CPE matchmatch criteria
cpe:2.3:a:pivotal_software:cloud_foundry_uaa:*:*:*:*:*:*:*:*
>= 4.10.0, < 4.10.2CPE matchmatch criteria
cpe:2.3:a:pivotal_software:cloud_foundry_uaa:*:*:*:*:*:*:*:*
>= 4.12.0, < 4.12.4CPE matchmatch criteria
cpe:2.3:a:pivotal_software:cloud_foundry_uaa:*:*:*:*:*:*:*:*
>= 4.19.0, < 4.19.2CPE matchmatch criteria
cpe:2.3:a:pivotal_software:cloud_foundry_uaa:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.07%
Probability of exploitation in next 30 days
EPSS Percentile
61.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0107 is in the 38th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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 (5)

mavenpatch availablevia ghsa
Product: org.cloudfoundry.identity:cloudfoundry-identity-serverFixed in: 4.5.7
mavenpatch availablevia ghsa
Product: org.cloudfoundry.identity:cloudfoundry-identity-serverFixed in: 4.7.6
mavenpatch availablevia ghsa
Product: org.cloudfoundry.identity:cloudfoundry-identity-serverFixed in: 4.10.2
mavenpatch availablevia ghsa
Product: org.cloudfoundry.identity:cloudfoundry-identity-serverFixed in: 4.12.4
mavenpatch availablevia ghsa
Product: org.cloudfoundry.identity:cloudfoundry-identity-serverFixed in: 4.19.2

Vendor Advisories (1)

mavenGHSA-r4v8-9hgx-vm6mhigh

Cloud Foundry UAA accepts refresh token as access token on admin endpoints

May 13, 2022

References

cloudfoundry.org / blog/cve-2018-11047
MitigationVendor Advisory