How severe is CVE-2017-7564?

CVE-2017-7564 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-7564 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7564?

CVE-2017-7564 affects Trustedfirmware Trusted Firmware-a. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-7564?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-7564 published?

CVE-2017-7564 was published on 2017-06-07 and last updated on 2026-06-17.

CVE-2017-7564

CVE-2017-7564 is a high-severity vulnerability in Trustedfirmware Trusted Firmware-a with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Trustedfirmware Trusted Firmware-a
Published: 2017-06-07
Last modified: 2026-06-17

Description

In ARM Trusted Firmware through 1.3, the secure self-hosted invasive debug interface allows normal world attackers to cause a denial of service (secure world panic) via vectors involving debug exceptions and debug registers.

Frequently asked questions

What is CVE-2017-7564?: In ARM Trusted Firmware through 1.3, the secure self-hosted invasive debug interface allows normal world attackers to cause a denial of service (secure world panic) via vectors involving debug exceptions and debug registers.
How severe is CVE-2017-7564?: CVE-2017-7564 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-7564 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7564?: CVE-2017-7564 affects Trustedfirmware Trusted Firmware-a. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-7564?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-7564 published?: CVE-2017-7564 was published on 2017-06-07 and last updated on 2026-06-17.

References

https://github.com/ARM-software/arm-trusted-firmware/wiki/ARM-Trusted-Firmware-Security-Advisory-TFV-2

Affected products (1)

cpe:2.3:o:trustedfirmware:trusted_firmware-a:*:*:*:*:*:*:*:*

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