Is CVE-2017-8031 in the CISA KEV catalog?

No. CVE-2017-8031 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-8031?

CVE-2017-8031 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2017-8031?

CVE-2017-8031 has an EPSS score of 1.09% (61th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-8031?

Upgrade uaa-release to 45.4 or later.

CVE & CISA-KEV Catalog

CVE-2017-8031

MEDIUM

5.3

CVSS v3

NVD

Description

An issue was discovered in Cloud Foundry Foundation cf-release (all versions prior to v279) and UAA (30.x versions prior to 30.6, 45.x versions prior to 45.4, 52.x versions prior to 52.1). In some cases, the UAA allows an authenticated user for a particular client to revoke client tokens for other users on the same client. This occurs only if the client is using opaque tokens or JWT tokens validated using the check_token endpoint. A malicious actor could cause denial of service.

How to fix

Remediation Available

uaa-releaseNVD

Affected:>= 45, < 45.4Fixed in:45.4CVE-2017-8031derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

1.09%probability of exploitation in 30 days

61stpercentile

Moderate risk: more likely to be exploited than 61% of all known CVEs.

References

Third-Party Advisory2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.