CVE-2017-4991

An issue was discovered in Cloud Foundry Foundation cf-release versions prior to v260; UAA release 2.x versions prior to v2.7.4.16, 3.6.x versions prior to v3.6.10, 3.9.x versions prior to v3.9.12, and other versions prior to v3.17.0; and UAA bosh release (uaa-release) 13.x versions prior to v13.14, 24.x versions prior to v24.9, 30.x versions prior to 30.2, and other versions prior to v36. Privileged users in one zone are allowed to perform a password reset for users in a different zone.

Published: 2017-06-13 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-4991 is rated Moderate Risk (49.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.94%). 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-2017-4991

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 0.29% 0.94% +0.65%
2 2025-03-30 0.60% 0.29% -0.31%
3 2025-03-29 — 0.60% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-4991

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.2 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/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:H)
They need powerful rights—admin, root, or similar—before this pays off.
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:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 1.2 5.9 [email protected]
6.5 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/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:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.0 6.4 [email protected]

Weakness enumeration for CVE-2017-4991

GitHub Security Advisory for CVE-2017-4991

GHSA-cgrg-x34r-78f3 · Severity: high · Ecosystem: maven — Cloud Foundry UAA password reset vulnerability

Affected software / configurations for CVE-2017-4991

Vendor Product Version Raw CPE
cloudfoundry cf-release <= 259 cpe:2.3:a:cloudfoundry:cf-release:*:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh <= 35 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:*:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 13.1 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:13.1:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 13.2 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:13.2:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 13.3 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:13.3:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 13.4 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:13.4:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 13.5 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:13.5:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 13.6 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:13.6:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 13.7 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:13.7:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 13.8 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:13.8:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 13.9 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:13.9:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 13.10 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:13.10:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 13.11 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:13.11:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 13.12 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:13.12:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 13.13 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:13.13:*:*:*:*:*:*:*
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 24.7 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:24.7:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 24.8 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:24.8:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 24.9 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:24.9:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 24.10 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:24.10:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 30 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:30:*:*:*:*:*:*:*
cloudfoundry cloud_foundry_uaa_bosh 30.1 cpe:2.3:a:cloudfoundry:cloud_foundry_uaa_bosh:30.1:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa <= 4.2.0 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:*:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 2.2.5.4 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:2.2.5.4:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 2.7.1 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:2.7.1:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 2.7.2 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:2.7.2:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 2.7.3 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:2.7.3:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 2.7.4 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:2.7.4:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 2.7.4.1 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:2.7.4.1:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 2.7.4.2 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:2.7.4.2:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 2.7.4.3 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:2.7.4.3:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 2.7.4.4 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:2.7.4.4:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 2.7.4.5 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:2.7.4.5:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 2.7.4.6 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:2.7.4.6:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 2.7.4.7 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:2.7.4.7:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 2.7.4.8 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:2.7.4.8:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 2.7.4.9 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:2.7.4.9:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 2.7.4.11 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:2.7.4.11:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 2.7.4.12 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:2.7.4.12:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 2.7.4.13 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:2.7.4.13:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 2.7.4.14 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:2.7.4.14:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 2.7.4.15 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:2.7.4.15:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 3.6.1 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:3.6.1:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 3.6.2 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:3.6.2:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 3.6.3 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:3.6.3:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 3.6.4 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:3.6.4:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 3.6.5 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:3.6.5:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 3.6.6 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:3.6.6:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 3.6.7 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:3.6.7:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 3.6.8 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:3.6.8:*:*:*:*:*:*:*
pivotal_software cloud_foundry_uaa 3.6.9 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:3.6.9:*:*:*:*:*:*:*
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 3.9.9 cpe:2.3:a:pivotal_software:cloud_foundry_uaa:3.9.9:*:*:*:*:*:*:*

References for CVE-2017-4991

cvelogic Threat Intelligence