How severe is CVE-2018-11083?

CVE-2018-11083 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-11083 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11083?

CVE-2018-11083 affects Cloud Foundry Bosh. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-11083?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-11083 published?

CVE-2018-11083 was published on 2018-10-05 and last updated on 2026-06-17.

CVE-2018-11083

CVE-2018-11083 is a high-severity vulnerability in Cloud Foundry Bosh with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cloud Foundry Bosh
Published: 2018-10-05
Last modified: 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.

Frequently asked questions

What is CVE-2018-11083?: 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.
How severe is CVE-2018-11083?: CVE-2018-11083 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-11083 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11083?: CVE-2018-11083 affects Cloud Foundry Bosh. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-11083?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-11083 published?: CVE-2018-11083 was published on 2018-10-05 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:cloud_foundry:bosh:*:*:*:*:*:*:*:*

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