VULNERABILITY INTELLIGENCE

CVE-2017-7563

CVSS score8.1 HIGH
EPSS probability0.89%
CISA KEVNot currently listed
Published2017-06-07
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

In ARM Trusted Firmware 1.3, RO memory is always executable at AArch64 Secure EL1, allowing attackers to bypass the MT_EXECUTE_NEVER protection mechanism. This issue occurs because of inconsistency in the number of execute-never bits (one bit versus two bits).

Weakness classification

  • CWE-732: Incorrect Permission Assignment for Critical Resource

Primary references