SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-4518

A vulnerability exists in the input validation of the GOOSE messages where out of range values received and processed by the IED caused a reboot of the device.

HIGH 7.5EPSS 0.70%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.70%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A vulnerability exists in the input validation of the GOOSE messages where out of range values received and processed by the IED caused a reboot of the device. In order for an attacker to exploit the vulnerability, goose receiving blocks need to be configured.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.70% probability · 51th percentile
CISA KEV
Not listed
Weakness
CWE-1284
Affected
hitachienergy/relion 670 firmware · hitachienergy/relion 650 firmware · hitachienergy/relion sam600-io firmware
Source
cybersecurity@hitachienergy.com

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