SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2024-11499

A vulnerability exists in RTU500 IEC 60870-4-104 controlled station functionality, that allows an authenticated and authorized attacker to perform a CMU restart.

MEDIUM 6.9EPSS 0.24%

Does this matter?

Lower severity and a low EPSS score (0.24%). Track it; it rarely justifies an emergency change on its own.

Description

A vulnerability exists in RTU500 IEC 60870-4-104 controlled station functionality, that allows an authenticated and authorized attacker to perform a CMU restart. The vulnerability can be triggered if certificates are updated while in use on active connections. The affected CMU will automatically recover itself if an attacker successfully exploits this vulnerability.

CVSS 4.0
6.9 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:H/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
0.24% probability · 15th percentile
CISA KEV
Not listed
Weakness
CWE-476
Source
cybersecurity@hitachienergy.com

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