CVE-2020-9049 - victor Web Client and C•CURE Web Client JSON Web Token (JWT) Vulnerability

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HIGH

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

Published Nov 19, 2020

7.1

HIGH

CVSS 3.1

EPSS 0.53%

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

Vendor Johnson Controls Product victor Web Client version 5.6 and prior Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <=5.6
Vendor Johnson Controls Product n/a Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <=2.90

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Johnson Controls

victor Web Client version 5.6 and prior

n/a

Version	Status	Constraints
unspecified	affected	<=5.6

Johnson Controls

n/a

Version	Status	Constraints
unspecified	affected	<=2.90

Remediation

Vendor solution

victor Web Client

• victor Web Client v5.6 and earlier – upgrade to v5.6 SP1 (victor Unified Client v5.6 SP1)

Registered users can obtain the software update by downloading the update found here: https://www.americandynamics.net/support/SoftwareDownloads.aspx.

C•CURE Web Client

C•CURE Web v2.60 and earlier - upgrade to a minimum of v2.70 and install the relevant update below.

• C•CURE Web v2.70 - install the update WebClient_c2.70_5.2_Update02 • C•CURE Web v2.80 - install the update WebClient_c2.80_v5.4.1_Update04 • C•CURE Web v2.90 - install the update CCureWeb_2.90_Update01

Registered users can obtain the software update by downloading the update found here: https://swhouse.com/Support/SoftwareDownloads.aspx.

Weaknesses (2)

CWE-285

CWE-287

Improper Authentication

References (3)

https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-29878
Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-20-324-01
third-party-advisoryx_refsource_CERTPatchThird Party AdvisoryUS Government Resource
https://www.johnsoncontrols.com/cyber-solutions/security-advisories
x_refsource_CONFIRMVendor Advisory

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-29878		Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-20-324-01		third-party-advisoryx_refsource_CERTPatchThird Party AdvisoryUS Government Resource
https://www.johnsoncontrols.com/cyber-solutions/security-advisories		x_refsource_CONFIRMVendor Advisory