CVE-2020-9049

victor Web Client and C•CURE Web Client JSON Web Token (JWT) Vulnerability

State: Published
Severity: 7.1 High
Published: Nov 19, 2020
Updated: Sep 17, 2024
Reserved: Feb 18, 2020

Description

A vulnerability in specified versions of American Dynamics victor Web Client and Software House C•CURE Web Client could allow an unauthenticated attacker on the network to create and sign their own JSON Web Token and use it to execute an HTTP API Method without the need for valid authentication/authorization. Under certain circumstances, this could be used by an attacker to impact system availability by conducting a Denial of Service attack.

Scores

CVSS	Score	Vector	Source
3.1	7.1 High	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L	jci

Weaknesses

CWE-285 Improper Access Control (Authorization)

Affected Products

Product	Versions
victor Web Client version 5.6 and priorJohnson Controls	5.6 and earlierAffected
C•CURE Web Client version 2.90 and prior (Note - This does not affect the new web-based C•CURE 9000 client that was introduced in C•CURE 9000 v2.90)Johnson Controls	2.90 and earlierAffected

References

https://www.johnsoncontrols.com/cyber-solutions/security-advisories
ICS-CERT Advisorythird-party-advisory

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.