Improper input validation in Pivotal Software Cloud Foundry Elastic Runtime

CVE-2017-2773

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.021 (80.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-2773?
CVE-2017-2773 is a critical-severity vulnerability in Pivotal Software Cloud Foundry Elastic Runtime, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2017-06-13.
How severe is CVE-2017-2773?
Critical severity. CVSS v3 base score is 9.8 out of 10.