Common Weakness Enumeration

    CWE Definition / CWE-1257

    CWE-1257: Improper Access Control Applied to Mirrored or Aliased Memory Regions

    Aliased or mirrored memory regions in hardware designs may have inconsistent read/write permissions enforced by the hardware. A possible result is that an untrusted agent is blocked from accessing a memory region but is not blocked from accessing the corresponding aliased memory region.

    Published:29 Apr 2020
    Organization:MITRE
    Modified:11 Dec 2025

    Related Weakness

    CWE-284: Improper Access Control

    CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer