What’s Vulnerable › Vulnerabilities

CVE-2018-11083: Bosh accepts refresh tokens in place of an access token

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-10-05 · updated 2026-06-17

Description

Cloud Foundry BOSH, versions v264 prior to v264.14.0 and v265 prior to v265.7.0 and v266 prior to v266.8.0 and v267 prior to v267.2.0, allows refresh tokens to be as access tokens when using UAA for authentication. A remote attacker with an admin refresh token given by UAA can be used to access BOSH resources without obtaining an access token, even if their user no longer has access to those resources.

Affected products

• Cloud Foundry Foundation BOSH Director: from 264.1 before 264.14.0; from 265.1.0 before 265.7.0; from 266.2.0 before 266.8.0 — fixed in 264.14.0, 265.7.0, 266.8.0

How to fix

Upgrade to a fixed version: Cloud Foundry Foundation BOSH Director 264.14.0, 265.7.0, 266.8.0. Check the vendor advisory for mitigations.

References

• https://www.cloudfoundry.org/blog/cve-2018-11083
• https://www.cloudfoundry.org/blog/cve-2018-11083

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