SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2024-12169

A vulnerability exists in RTU500 IEC 60870-5-104 controlled station functionality and IEC 61850 functionality, that allows an attacker performing a specific attack sequence to restart the affected CMU.

HIGH 8.7EPSS 0.39%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.39%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A vulnerability exists in RTU500 IEC 60870-5-104 controlled station functionality and IEC 61850 functionality, that allows an attacker performing a specific attack sequence to restart the affected CMU. This vulnerability only applies, if secure communication using IEC 62351-3 (TLS) is enabled.

CVSS 4.0
8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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
0.39% probability · 33th percentile
CISA KEV
Not listed
Source
cybersecurity@hitachienergy.com

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