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CVE-2021-41614

HIGH
7.8
CVSS Score
Published: April 18, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 04:08 AM UTC
2 products affected across 1 vendorMOR1KX FirmwareMor1Kx

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

MOR1KX Firmware· Openrisc
95%
All versions
openrisc-mor1kx (same device)
Mor1Kx· Openriscdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Issue Tracking
Source: [email protected]
https://github.com/openrisc/mor1kx/issues/140
Third Party Advisory
Source: [email protected]
https://seth.engr.tamu.edu/software-releases/thehuzz/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfoCWE-276

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