How severe is CVE-2016-6659?

CVE-2016-6659 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-2016-6659 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-6659?

CVE-2016-6659 primarily affects Cloudfoundry Cloud Foundry Uaa Bosh. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-6659?

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-2016-6659 published?

CVE-2016-6659 was published on 2016-12-23 and last updated on 2026-06-17.

CVE-2016-6659

CVE-2016-6659 is a high-severity vulnerability in Cloudfoundry Cloud Foundry Uaa 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. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 2.6
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Cloudfoundry Cloud Foundry Uaa Bosh
Published: 2016-12-23
Last modified: 2026-06-17

Description

Cloud Foundry before 248; UAA 2.x before 2.7.4.12, 3.x before 3.6.5, and 3.7.x through 3.9.x before 3.9.3; and UAA bosh release (aka uaa-release) before 13.9 for UAA 3.6.5 and before 24 for UAA 3.9.3 allow attackers to gain privileges by accessing UAA logs and subsequently running a specially crafted application that interacts with a configured SAML provider.

Frequently asked questions

What is CVE-2016-6659?: Cloud Foundry before 248; UAA 2.x before 2.7.4.12, 3.x before 3.6.5, and 3.7.x through 3.9.x before 3.9.3; and UAA bosh release (aka uaa-release) before 13.9 for UAA 3.6.5 and before 24 for UAA 3.9.3 allow attackers to gain privileges by accessing UAA logs and subsequently running a specially crafted application that interacts with a configured SAML provider.
How severe is CVE-2016-6659?: CVE-2016-6659 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-2016-6659 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-6659?: CVE-2016-6659 primarily affects Cloudfoundry Cloud Foundry Uaa Bosh. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-6659?: 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-2016-6659 published?: CVE-2016-6659 was published on 2016-12-23 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:*:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:cloud_foundry:*:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:cloud_foundry_uaa:*:*:*:*:*:*:*:*

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Other CWE-287 (Improper Authentication) vulnerabilities

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