CVE-2023-6815

Name of the Vulnerable Software and Affected Versions MELSEC iQ-R Series Safety CPU R08/16/32/120SFCPU all versions MELSEC iQ-R Series SIL2 Process CPU R08/16/32/120PSFCPU all versions

Description The issue is related to an Incorrect Privilege Assignment vulnerability that allows a remote authenticated attacker, logged in as a non-administrator user, to disclose the credentials (user ID and password) of a user with a lower access level than the attacker. This can be achieved by sending a specially crafted packet. The vulnerability may allow an attacker to gain unauthorized access to protected information.

Recommendations For MELSEC iQ-R Series Safety CPU R08/16/32/120SFCPU all versions, consider restricting access to sensitive information and implementing additional security measures to prevent exploitation. For MELSEC iQ-R Series SIL2 Process CPU R08/16/32/120PSFCPU all versions, restrict access to the affected modules to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.