CVE-2019-5478

MEDIUMNVD 5.55.5—

5.5

A weakness was found in Encrypt Only boot mode in Zynq UltraScale+ devices. This could lead to an adversary being able to modify the control fields of the boot image leading to an incorrect secure boot behavior.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 7.2%
KEV: Not listed

Published

September 3, 2019

Last Modified

November 27, 2024

References (4)

support@hackeronehttps://github.com/inversepath/advisories/blob/master/Security_Advisory-Ref_FSC-HWSEC-VR2019-0001-Xilinx_ZU+-Encrypt_Only_Secure_Boot_bypass.txt
support@hackeronehttps://www.xilinx.com/support/answers/72588.html
af854a3a-2127-422b-91ae-364da2661108https://github.com/inversepath/advisories/blob/master/Security_Advisory-Ref_FSC-HWSEC-VR2019-0001-Xilinx_ZU+-Encrypt_Only_Secure_Boot_bypass.txt
af854a3a-2127-422b-91ae-364da2661108https://www.xilinx.com/support/answers/72588.html

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 9× 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.

2026-05-27 14:59 UTCEG score recompute
2026-05-27 14:59 UTCGHSA enrichment
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 16:47 UTCepss_batch

Frequently asked(5)

What is CVE-2019-5478?

CVE-2019-5478 is a medium vulnerability published on September 3, 2019. A weakness was found in Encrypt Only boot mode in Zynq UltraScale+ devices. This could lead to an adversary being able to modify the control fields of the boot image leading to an incorrect secure boot behavior.

When was CVE-2019-5478 disclosed?

CVE-2019-5478 was first published in the National Vulnerability Database on September 3, 2019, with the most recent update on November 27, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2019-5478 actively exploited?

CVE-2019-5478 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 7.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-5478?

CVE-2019-5478 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2019-5478?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-5478, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2019-5478

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Is Your Infrastructure Affected by CVE-2019-5478?

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Frequently asked(5)

What is CVE-2019-5478?

When was CVE-2019-5478 disclosed?

Is CVE-2019-5478 actively exploited?

What is the CVSS score of CVE-2019-5478?

CVE-2019-5478 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2019-5478?

CVE-2019-5478

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-5478?

CVE-2019-5478

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-5478?

Published

Last Modified

References (4)

Frequently asked(5)

Published

Last Modified

References (4)

Frequently asked(5)