CVE-2026-21655 PUBLISHED

C-CURE 9000 and Victor application server - Deserialization of Untrusted Data

Assigner: jci
Reserved: 02.01.2026 Published: 23.07.2026 Updated: 24.07.2026

Deserialization of untrusted data vulnerability in Johnson Control victor on Windows allows capec-586.

This issue affects victor: from 2.9 before 3.0.

CVSS Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 8.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Adjacent	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Vendor	Johnson Control
Product	victor
Versions	Default: unaffected affected from 2.9 to 3.0 (excl.)