What’s Vulnerable › Vulnerabilities

CVE-2017-15031

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-12-18 · updated 2026-06-17
• Weakness: CWE-200

Description

In all versions of ARM Trusted Firmware up to and including v1.4, not initializing or saving/restoring the PMCR_EL0 register can leak secure world timing information.

Affected products

• TrustedFirmware Trusted Firmware-A: through 2.1

References

• http://www.securityfocus.com/bid/106271
• https://github.com/ARM-software/arm-trusted-firmware/wiki/ARM-Trusted-Firmware-Security-Advisory-TFV-5
• http://www.securityfocus.com/bid/106271
• https://github.com/ARM-software/arm-trusted-firmware/wiki/ARM-Trusted-Firmware-Security-Advisory-TFV-5

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