CVE-2022-3864: hitachi energy relion 670/650/sam600-io series

Vulnerability summary

CVE-2022-3864 is a medium (CVSS 4.5) vulnerability in hitachi energy relion 670/650/sam600-io series. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 27.6% of scored vulnerabilities.

Timeline

1. 04-01-2024
   PublishedVulnerability first disclosed.
2. 27-08-2024
   Last modifiedVulnerability information updated.

Description

A vulnerability exists in the Relion update package signature validation. A tampered update package could cause the IED to restart. After restart the device is back to normal operation. An attacker could exploit the vulnerability by first gaining access to the system with security privileges and attempt to update the IED with a malicious update package. Successful exploitation of this vulnerability will cause the IED to restart, causing a temporary Denial of Service.

• CWE-347Improper Verification of Cryptographic SignatureThe product does not verify, or incorrectly verifies, the cryptographic signature for data.