Vulnerability · Published Nov 19, 2020 · Assigned by jci
CVE-2020-9049victor Web Client and C•CURE Web Client JSON Web Token (JWT) Vulnerability
High 7.1
In plain English
A high-severity security flaw in 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) from Johnson Controls. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Johnson Controls | victor Web Client version 5.6 and prior | unspecified – through 5.6 |
| Johnson Controls | 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) | unspecified – through 2.90 |
Weakness: CWE-285 · Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
References
- https://www.johnsoncontrols.com/cyber-solutions/security-advisories x_refsource_CONFIRM
- ICS-CERT Advisory third-party-advisory, x_refsource_CERT