What is CVE-2017-7563?

CVE-2017-7563 is a high-severity vulnerability in Arm Arm_trusted_firmware, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 8.1/10. Published 2017-06-07.

How severe is CVE-2017-7563?

High severity. CVSS v3 base score is 8.1 out of 10.

Is CVE-2017-7563 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Arm Arm_trusted_firmware

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…

EPSS: 0.009 (55.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

Public proof-of-concept exploits

axxia/axxia_

References

cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2017-7563?: CVE-2017-7563 is a high-severity vulnerability in Arm Arm_trusted_firmware, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 8.1/10. Published 2017-06-07.
How severe is CVE-2017-7563?: High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2017-7563 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.