CVE-2020-9049

HIGH

American Dynamics victor Web Client <5.6 & Software House CCURE Web Client <2.90 - DoS via JWT Bypass

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Patch, Third Party Advisory, US Government Resource third-party-advisory x_refsource_cert
https://us-cert.cisa.gov/ics/advisories/icsa-20-324-01

Scores

CVSS v3 7.1
EPSS 0.0053
EPSS Percentile 40.3%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

Details

CWE
CWE-285 CWE-287
Status published
Products (2)
johnsoncontrols/c-cure_web < 2.90
johnsoncontrols/victor_web < 5.6
Published Nov 19, 2020
Tracked Since Feb 18, 2026