SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAwaiting Analysis

CVE-2026-64887

Use of hard-coded cryptographic key vulnerability in Johnson Controls Airwall allows : Cryptanalytic Attack.

HIGH 7.0EPSS 0.11%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.11%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Use of hard-coded cryptographic key vulnerability in Johnson Controls Airwall allows : Cryptanalytic Attack. This issue affects Airwall: before 4.1.

CVSS 4.0
7.0 HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
0.11% probability · 2th percentile
CISA KEV
Not listed
Weakness
CWE-321
Source
productsecurity@jci.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.