SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2025-7916

WinMatrix3 developed by Simopro Technology has an Insecure Deserialization vulnerability, allowing unauthenticated remote attackers to execute arbitrary code on the server by sending maliciously crafted serialized contents.

CRITICAL 9.3EPSS 0.77%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.77%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

WinMatrix3 developed by Simopro Technology has an Insecure Deserialization vulnerability, allowing unauthenticated remote attackers to execute arbitrary code on the server by sending maliciously crafted serialized contents.

CVSS 4.0
9.3 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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
0.77% probability · 54th percentile
CISA KEV
Not listed
Weakness
CWE-502
Source
twcert@cert.org.tw

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