Zephyr Project vulnerabilities

Records are attributed to Zephyr Project from the vendor named in the source records. About the data.

CVE records per year

CVE records published per year for Zephyr Project
CVE records published per year for Zephyr ProjectBar chart of CVE records attributed to Zephyr Project per publication year, 2017 to 2026. 2026 is not finished.01002003002020: 17 CVE records2021: 23 CVE records2022: 13 CVE records2023: 25 CVE records2024: 20 CVE records2025: 14 CVE records2026: 206 CVE records (period not finished)2062017201820192020202120222023202420252026
Show data as a table
YearCVE records
20170
20180
20190
202017
202123
202213
202325
202420
202514
2026206

2026 is partial (through 28 Oct 2026), shown in a lighter bar.

Severity by publication year. "Critical or high" is the share of scored records; "Not scored" is the share of all records.
YearRecordsCriticalHighCritical or highNot scored
202620635930.1%0%
20251401178.6%0%
20242011160%0%
20232541056%0%
2022130753.8%0%
2021232739.1%0%
2020174976.5%0%
2019000——
2018000——
2017000——

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

Highest exploit-prediction scores (EPSS)

EPSS estimates the probability that a vulnerability is exploited in the next 30 days. These are the 10 highest-scoring Zephyr Project records today.

CVEEPSSPercentileSeverityIn KEV
CVE-2020-100713.4%88.8%CriticalNo
CVE-2020-100622.9%86.8%CriticalNo
CVE-2020-100702.9%86.8%CriticalNo
CVE-2020-100222.3%83.4%CriticalNo
CVE-2021-36252.3%83.3%CriticalNo
CVE-2020-100631.8%78.5%MediumNo
CVE-2020-100601.6%75.1%HighNo
CVE-2023-37251.3%70.3%HighNo
CVE-2020-100591.2%68.3%MediumNo
CVE-2021-34551.1%65.7%MediumNo

Source: FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.27, as of 27 Oct 2026. About the data.

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