Is CVE-2017-2773 actively exploited?

No active exploitation of CVE-2017-2773 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-2773 be exploited remotely?

Yes. CVE-2017-2773 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-2773?

CVE-2017-2773 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2017-2773

CRITICAL

CVE-2017-2773

CWE-20Published: June 13, 2017· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

An issue was discovered in Pivotal PCF Elastic Runtime 1.6.x versions prior to 1.6.60, 1.7.x versions prior to 1.7.41, 1.8.x versions prior to 1.8.23, and 1.9.x versions prior to 1.9.1. Incomplete validation logic in JSON Web Token (JWT) libraries can allow unprivileged attackers to impersonate other users in multiple components included in PCF Elastic Runtime, aka an "Unauthenticated JWT signing algorithm in multiple components" issue.

NVD Source

Technical Analysis

CVE-2017-2773 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 9.8.