CVE-2017-15031

HIGHNVD 7.57.5—

7.5

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.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 72.9%
KEV: Not listed

Published

December 18, 2018

Last Modified

June 5, 2026

References (4)

cve@mitrehttp://www.securityfocus.com/bid/106271
cve@mitrehttps://github.com/ARM-software/arm-trusted-firmware/wiki/ARM-Trusted-Firmware-Security-Advisory-TFV-5
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/106271
af854a3a-2127-422b-91ae-364da2661108https://github.com/ARM-software/arm-trusted-firmware/wiki/ARM-Trusted-Firmware-Security-Advisory-TFV-5

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-200Exposure of Sensitive Information to an Unauthorized Actor

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 22:44 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 00:12 UTCEG score recompute
2026-05-28 00:12 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch

Frequently asked(5)

What is CVE-2017-15031?

CVE-2017-15031 is a high vulnerability published on December 18, 2018. 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.

When was CVE-2017-15031 disclosed?

CVE-2017-15031 was first published in the National Vulnerability Database on December 18, 2018, with the most recent update on June 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2017-15031 actively exploited?

CVE-2017-15031 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 72.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2017-15031?

CVE-2017-15031 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2017-15031?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-15031, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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Frequently asked(5)

What is CVE-2017-15031?

When was CVE-2017-15031 disclosed?

Is CVE-2017-15031 actively exploited?

What is the CVSS score of CVE-2017-15031?

CVE-2017-15031 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2017-15031?

CVE-2017-15031

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2017-15031?

CVE-2017-15031

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2017-15031?

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References (4)

Frequently asked(5)

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References (4)

Frequently asked(5)

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