Is CVE-2017-4963 actively exploited?

No active exploitation of CVE-2017-4963 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-4963 be exploited remotely?

Yes. CVE-2017-4963 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-4963?

CVE-2017-4963 has a CVSS score of 8.1 (HIGH).

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HIGH

CVE-2017-4963

CWE-384Published: June 13, 2017· Updated: Jun 17, 2026

8.1

CVSS v3.1

Official Description

An issue was discovered in Cloud Foundry Foundation Cloud Foundry release v252 and earlier versions, UAA stand-alone release v2.0.0 - v2.7.4.12 & v3.0.0 - v3.11.0, and UAA bosh release v26 & earlier versions. UAA is vulnerable to session fixation when configured to authenticate against external SAML or OpenID Connect based identity providers.

NVD Source

Technical Analysis

CVE-2017-4963 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

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 8.1.