How severe is CVE-2018-15754?

CVE-2018-15754 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-15754 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-15754?

CVE-2018-15754 affects Pivotal Software Cloud Foundry Uaa-release. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-15754?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-15754 published?

CVE-2018-15754 was published on 2018-12-13 and last updated on 2026-06-17.

CVE-2018-15754

CVE-2018-15754 is a medium-severity vulnerability in Pivotal Software Cloud Foundry Uaa-release with a CVSS 3.x base score of 4.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: Medium (CVSS 3.x base score 4.2)
CVSS v2: 4.0
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Pivotal Software Cloud Foundry Uaa-release
Published: 2018-12-13
Last modified: 2026-06-17

Description

Cloud Foundry UAA, versions 60 prior to 66.0, contain an authorization logic error. In environments with multiple identity providers that contain accounts across identity providers with the same username, a remote authenticated user with access to one of these accounts may be able to obtain a token for an account of the same username in the other identity provider.

Frequently asked questions

What is CVE-2018-15754?: Cloud Foundry UAA, versions 60 prior to 66.0, contain an authorization logic error. In environments with multiple identity providers that contain accounts across identity providers with the same username, a remote authenticated user with access to one of these accounts may be able to obtain a token for an account of the same username in the other identity provider.
How severe is CVE-2018-15754?: CVE-2018-15754 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-15754 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-15754?: CVE-2018-15754 affects Pivotal Software Cloud Foundry Uaa-release. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-15754?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-15754 published?: CVE-2018-15754 was published on 2018-12-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pivotal_software:cloud_foundry_uaa-release:*:*:*:*:*:*:*:*

More vulnerabilities in Pivotal Software Cloud Foundry Uaa-release

CVE-2018-1192 — High (CVSS 8.8): In Cloud Foundry Foundation cf-release versions prior to v285; cf-deployment versions prior to v1.7; UAA 4.5.x versions…
CVE-2019-3787 — High (CVSS 8.3): Cloud Foundry UAA, versions prior to 73.0.0, falls back to appending “unknown.org” to a user's email address when…
CVE-2017-4963 — High (CVSS 8.1): An issue was discovered in Cloud Foundry Foundation Cloud Foundry release v252 and earlier versions, UAA stand-alone…
CVE-2018-1262 — High (CVSS 7.2): Cloud Foundry Foundation UAA, versions 4.12.X and 4.13.X, introduced a feature which could allow privilege escalation…
CVE-2018-11041 — Medium (CVSS 6.1): Cloud Foundry UAA, versions later than 4.6.0 and prior to 4.19.0 except 4.10.1 and 4.7.5 and uaa-release versions later…
CVE-2016-5016 — Medium (CVSS 5.9): Pivotal Cloud Foundry 239 and earlier, UAA (aka User Account and Authentication Server) 3.4.1 and earlier, UAA release…

All CVEs affecting Pivotal Software Cloud Foundry Uaa-release →

Other CWE-863 (Incorrect Authorization) vulnerabilities

CVE-2026-48286 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9396 and earlier are affected by an Incorrect Authorization…
CVE-2026-48303 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9394 and earlier are affected by an Incorrect Authorization…
CVE-2026-44330 — Critical (CVSS 10.0): free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the…
CVE-2026-46595 — Critical (CVSS 10.0): Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of…
CVE-2026-33105 — Critical (CVSS 10.0): Improper authorization in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over…
CVE-2026-32213 — Critical (CVSS 10.0): Improper authorization in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.

Browse all CWE-863 (Incorrect Authorization) vulnerabilities →