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NVD Vulnerability Details :

CVE-2017-7563

Deferred

Source-cve@mitre.org

Published At-07 Jun, 2017 | 15:29

Updated At-20 Apr, 2025 | 01:37

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).

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.0	8.1	HIGH	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary	2.0	6.8	MEDIUM	AV:N/AC:M/Au:N/C:P/I:P/A:P

CPE Matches

Arm Limited

>>arm_trusted_firmware>>Versions up to 1.3(inclusive)

cpe:2.3:a:arm:arm_trusted_firmware:*:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-732	Primary	nvd@nist.gov

References

Hyperlink	Source	Resource
https://github.com/ARM-software/arm-trusted-firmware/wiki/ARM-Trusted-Firmware-Security-Advisory-TFV-3	cve@mitre.org	Third Party Advisory
https://github.com/ARM-software/arm-trusted-firmware/wiki/ARM-Trusted-Firmware-Security-Advisory-TFV-3	af854a3a-2127-422b-91ae-364da2661108	Third Party Advisory

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History