Vulnerability Report

CVE-2017-2773

Title: Pivotal Software Cloud Foundry Elastic Runtime Improper Input Validation

Input Validation Error

Proof Of Concept

No public PoC currently indexed for CVE-2017-2773.

CWE Category CWE-20

Published Date Jun 13, 2017

Modified Date Jun 17, 2026

Exploit Status Not Found

Score 9.8 CVSS v3.0

Exploit Probability (EPSS)

2.13%

Vulnerability Summary

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.

Impacted Vendors

pivotal_software 1

pivotal 1

Reference Links

http://www.securityfocus.com/bid/97135 https://pivotal.io/security/cve-2017-2773 http://www.securityfocus.com/bid/97135 https://pivotal.io/security/cve-2017-2773

CVSS v3.0

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.5

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns