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CVE-2018-11047

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

7.5 HighFix available

Cloud Foundry UAA, versions 4.19 prior to 4.19.2 and 4.12 prior to 4.12.4 and 4.10 prior to 4.10.2 and 4.7 prior to 4.7.6 and 4.5 prior to 4.5.7, incorrectly authorizes requests to admin endpoints by accepting a valid refresh token in lieu of an access token. Refresh tokens by design have a longer expiration time than access tokens, allowing the possessor of a refresh token to authenticate longer than expected. This affects the administrative endpoints of the UAA. i.e. /Users, /Groups, etc. However, if the user has been deleted or had groups removed, or the client was deleted, the refresh token will no longer be valid.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
High
Availability
None

Exploit likelihood

1.07%Up 0.7 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

Cloud Foundry UAA, versions 4.19 prior to 4.19.2 and 4.12 prior to 4.12.4 and 4.10 prior to 4.10.2 and 4.7 prior to 4.7.6 and 4.5 prior to 4.5.7, incorrectly authorizes requests to admin endpoints by accepting a valid refresh token in lieu of an access token. Refresh tokens by design have a longer expiration time than access tokens, allowing the possessor of a refresh token to authenticate longer than expected. This affects the administrative endpoints of the UAA. i.e. /Users, /Groups, etc. However, if the user has been deleted or had groups removed, or the client was deleted, the refresh token will no longer be valid.

Record
CVE-2018-11047
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:P/A:N
Weakness
CWE-863
Updated
2026-11-02
CVE List No score

Cloud Foundry UAA, versions 4.19 prior to 4.19.2 and 4.12 prior to 4.12.4 and 4.10 prior to 4.10.2 and 4.7 prior to 4.7.6 and 4.5 prior to 4.5.7, incorrectly authorizes requests to admin endpoints by accepting a valid refresh token in lieu of an access token. Refresh tokens by design have a longer expiration time than access tokens, allowing the possessor of a refresh token to authenticate longer than expected. This affects the administrative endpoints of the UAA. i.e. /Users, /Groups, etc. However, if the user has been deleted or had groups removed, or the client was deleted, the refresh token will no longer be valid.

Record
CVE-2018-11047
Updated
2026-11-02
EUVDEUVD-2022-5092 No score

Cloud Foundry UAA, versions 4.19 prior to 4.19.2 and 4.12 prior to 4.12.4 and 4.10 prior to 4.10.2 and 4.7 prior to 4.7.6 and 4.5 prior to 4.5.7, incorrectly authorizes requests to admin endpoints by accepting a valid refresh token in lieu of an access token. Refresh tokens by design have a longer expiration time than access tokens, allowing the possessor of a refresh token to authenticate longer than expected. This affects the administrative endpoints of the UAA. i.e. /Users, /Groups, etc. However, if the user has been deleted or had groups removed, or the client was deleted, the refresh token will no longer be valid.

Record
EUVD-2022-5092
Updated
2026-11-03
GitHub AdvisoriesGHSA-r4v8-9hgx-vm6m 7.5

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

Cloud Foundry UAA, versions 4.19 prior to 4.19.2 and 4.12 prior to 4.12.4 and 4.10 prior to 4.10.2 and 4.7 prior to 4.7.6 and 4.5 prior to 4.5.7, incorrectly authorizes requests to admin endpoints by accepting a valid refresh token in lieu of an access token. Refresh tokens by design have a longer expiration time than access tokens, allowing the possessor of a refresh token to authenticate longer than expected. This affects the administrative endpoints of the UAA. i.e. /Users, /Groups, etc. However, if the user has been deleted or had groups removed, or the client was deleted, the refresh token will no longer be valid.

Record
GHSA-r4v8-9hgx-vm6m
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-863
Updated
2026-11-02
OSV 7.5

Cloud Foundry UAA, versions 4.19 prior to 4.19.2 and 4.12 prior to 4.12.4 and 4.10 prior to 4.10.2 and 4.7 prior to 4.7.6 and 4.5 prior to 4.5.7, incorrectly authorizes requests to admin endpoints by accepting a valid refresh token in lieu of an access token. Refresh tokens by design have a longer expiration time than access tokens, allowing the possessor of a refresh token to authenticate longer than expected. This affects the administrative endpoints of the UAA. i.e. /Users, /Groups, etc. However, if the user has been deleted or had groups removed, or the client was deleted, the refresh token will no longer be valid.

Record
CVE-2018-11047
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-02
OSVGHSA-r4v8-9hgx-vm6m 7.5

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

Cloud Foundry UAA, versions 4.19 prior to 4.19.2 and 4.12 prior to 4.12.4 and 4.10 prior to 4.10.2 and 4.7 prior to 4.7.6 and 4.5 prior to 4.5.7, incorrectly authorizes requests to admin endpoints by accepting a valid refresh token in lieu of an access token. Refresh tokens by design have a longer expiration time than access tokens, allowing the possessor of a refresh token to authenticate longer than expected. This affects the administrative endpoints of the UAA. i.e. /Users, /Groups, etc. However, if the user has been deleted or had groups removed, or the client was deleted, the refresh token will no longer be valid.

Record
GHSA-r4v8-9hgx-vm6m
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-863
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
org.cloudfoundry.identity:cloudfoundry-identity-server
Maven
before 4.5.7
4.5.7
org.cloudfoundry.identity:cloudfoundry-identity-server
Maven
4.6.0 up to 4.7.6
4.7.6
org.cloudfoundry.identity:cloudfoundry-identity-server
Maven
4.8.0 up to 4.10.2
4.10.2
org.cloudfoundry.identity:cloudfoundry-identity-server
Maven
4.11.0 up to 4.12.4
4.12.4
org.cloudfoundry.identity:cloudfoundry-identity-server
Maven
4.13.0 up to 4.19.2
4.19.2
org.cloudfoundry.identity:cloudfoundry-identity-server
Maven
before 4.5.7, plus listed versions
3.0.03.0.13.1.03.10.03.12.0
Show 32 moreShow less
3.13.03.15.03.16.03.18.03.19.03.2.03.2.13.20.03.3.03.3.0.13.3.0.23.3.0.33.3.0.43.3.0.53.4.03.4.23.4.33.4.43.4.53.5.03.6.03.7.03.7.33.8.03.9.03.9.14.1.04.2.04.3.04.4.04.5.04.5.6
4.5.7
org.cloudfoundry.identity:cloudfoundry-identity-server
Maven
4.6.0 up to 4.7.6, plus listed versions
4.6.14.7.04.7.14.7.24.7.44.7.5
4.7.6
org.cloudfoundry.identity:cloudfoundry-identity-server
Maven
4.8.0 up to 4.10.2, plus listed versions
4.10.04.10.14.8.24.8.34.9.0
4.10.2
org.cloudfoundry.identity:cloudfoundry-identity-server
Maven
4.11.0 up to 4.12.4, plus listed versions
4.12.04.12.14.12.24.12.3
4.12.4
org.cloudfoundry.identity:cloudfoundry-identity-server
Maven
4.13.0 up to 4.19.2, plus listed versions
4.13.14.13.34.13.44.14.04.15.0
Show 4 moreShow less
4.16.04.17.04.18.04.19.0
4.19.2

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-11047 is a high vulnerability (CVSS 7.5) in Cloud Foundry Uaa, published July 24, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.07%, the 64th percentile. Fixed in org.cloudfoundry.identity:cloudfoundry-identity-server 4.5.7.

References

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