Auth bypass in Johnson Controls C•cure Web Client Version 2.90 And Prior (Note - This Does Not Affect The New Web-Based 9000 That Was Introduced In V2.90)

CVE-2020-9049

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.

EPSS: 0.005 (41.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-9049?
CVE-2020-9049 is a high-severity vulnerability in Johnson Controls C•cure Web Client Version 2.90 And Prior (Note - This Does Not Affect The New Web-Based 9000 That Was Introduced In V2.90), classified under Improper Authorization. CVSS score: 7.1/10. Published 2020-11-19.
How severe is CVE-2020-9049?
High severity. CVSS v3 base score is 7.1 out of 10.