CVE-2021-41614: Openrisc MOR1KX Firmware

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

An issue was discovered in the controller unit of the OpenRISC mor1kx processor. The read/write access permissions to the Exception Program Counter Register (EPCR) are not implemented correctly. User programs from an unauthorized privilege level can make read/write accesses to EPCR.

Affected products

• Openrisc MOR1KX Firmware: affected versions not specified

Published 2023-04-18. Last modified 2026-06-17.