CVE-2017-4960

An issue was discovered in Cloud Foundry release v247 through v252, UAA stand-alone release v3.9.0 through v3.11.0, and UAA Bosh Release v21 through v26. There is a potential to subject the UAA OAuth clients to a denial of service attack.

Published: 2017-03-10 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-4960 is rated Moderate Risk (56.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.58%). EPSS rose +1.13% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2017-4960

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.45% 1.58% +1.13%
2 2025-03-17 0.10% 0.45% +0.36%
3 2023-03-07 — 0.10% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-4960

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2017-4960

GitHub Security Advisory for CVE-2017-4960

GHSA-hxgw-7539-pv7r · Severity: high · Ecosystem: maven — Cloud Foundry denial of service vulnerability

Affected software / configurations for CVE-2017-4960

Vendor Product Version Raw CPE
cloudfoundry cloud_foundry_uaa_bosh 21 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:21:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 22 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:22:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 23 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:23:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 24 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:24:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 24.1 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:24.1:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 24.2 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:24.2:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 24.3 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:24.3:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 24.4 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:24.4:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 24.5 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:24.5:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 24.6 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:24.6:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 25 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:25:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 26 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:26:*:*:*:*:*:*:*
pivotal_software cloud_foundry 247.0 cpe:2.3:a:pivotal_software:cloud_foundry:247.0:*:*:*:*:*:*:*
pivotal_software cloud_foundry 248.0 cpe:2.3:a:pivotal_software:cloud_foundry:248.0:*:*:*:*:*:*:*
pivotal_software cloud_foundry 249.0 cpe:2.3:a:pivotal_software:cloud_foundry:249.0:*:*:*:*:*:*:*
pivotal_software cloud_foundry 250.0 cpe:2.3:a:pivotal_software:cloud_foundry:250.0:*:*:*:*:*:*:*
pivotal_software cloud_foundry 251.0 cpe:2.3:a:pivotal_software:cloud_foundry:251.0:*:*:*:*:*:*:*
pivotal_software cloud_foundry 252.0 cpe:2.3:a:pivotal_software:cloud_foundry:252.0:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 3.9.0 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:3.9.0:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 3.9.1 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:3.9.1:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 3.9.2 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:3.9.2:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 3.9.3 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:3.9.3:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 3.9.4 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:3.9.4:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 3.9.5 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:3.9.5:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 3.9.6 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:3.9.6:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 3.9.7 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:3.9.7:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 3.9.8 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:3.9.8:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 3.10.0 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:3.10.0:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 3.11.0 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:3.11.0:*:*:*:*:*:*:*

References for CVE-2017-4960

URL Tags
http://www.securityfocus.com/bid/96780 Third Party Advisory VDB Entry
https://www.cloudfoundry.org/cve-2017-4960/ Vendor Advisory
cvelogic Threat Intelligence