victor Web Client and C•CURE Web Client JSON Web Token (JWT) Vulnerability
Priority LOW 32CWE-285Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-285.
Summary
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.
Why it matters now
EPSS 0.00533 45th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Johnson Controls | victor Web Client version 5.6 and prior | up to 5.6 | — | No fix listed | CNA |
| 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) | up to 2.90 | — | No fix listed | CNA |
- victor Web Client version 5.6 and prior VendorJohnson Controls Affected up to 5.6 Fixed in — No fix listed CNA
- 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) VendorJohnson Controls Affected up to 2.90 Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:johnsoncontrols:c-cure_web:*:*:*:*:*:*:*:* | up to 2.90 | Vulnerable | Johnson Controls |
| cpe:2.3:a:johnsoncontrols:victor_web:*:*:*:*:*:*:*:* | up to 5.6 | Vulnerable | Johnson Controls |
- cpe:2.3:a:johnsoncontrols:c-cure_web:*:*:*:*:*:*:*:* Versions up to 2.90 Vulnerable ·Johnson Controls
- cpe:2.3:a:johnsoncontrols:victor_web:*:*:*:*:*:*:*:* Versions up to 5.6 Vulnerable ·Johnson Controls
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-9049
- 2026-10-03 Alias added: GHSA-jq2r-g8wh-6q3v
References
Sources
- CVE-2020-9049 · CVE Program
- CVE-2020-9049 · NVD
- FIRST EPSS
- GHSA-jq2r-g8wh-6q3v · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences