Vulnerability Details CVE-2017-7563
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).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 56.3%
CVSS Severity
CVSS v3 Score 8.1
CVSS v2 Score 6.8
References
Products affected by CVE-2017-7563
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cpe:2.3:a:arm:arm_trusted_firmware:*