Is CVE-2017-4991 actively exploited?

No active exploitation of CVE-2017-4991 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-4991 be exploited remotely?

Yes. CVE-2017-4991 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-4991?

CVE-2017-4991 has a CVSS score of 7.2 (HIGH).

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HIGH

CVE-2017-4991

CWE-269Published: June 13, 2017· Updated: Jun 17, 2026

7.2

CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2017-4991 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.2.