Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CWE-420
Weakness type CWE-420 — authoritative definition at MITRE. A cumulative reference aggregating every published CVE mapped to this weakness class; not a page of record.
Totals
| CVEs all-time | CVEs YTD | KEV all-time |
|---|---|---|
| 5 | 3 | 2 |
Monthly trend
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2025-11 0 · 2025-12 0 · 2026-01 0 · 2026-02 0 · 2026-03 0 · 2026-04 0 · 2026-05 0 · 2026-06 0 · 2026-07 0 · 2026-08 1 · 2026-09 2 · 2026-10 0
Top CVEs
| CVE | CVSS | EPSS %ile | KEV | Title |
|---|---|---|---|---|
| CVE-2023-20198 | 10.0 | 99.9 | KEV | Cisco IOS XE Web UI |
| CVE-2025-54309 | 9.0 | 99.9 | KEV | CrushFTP CrushFTP |
| CVE-2026-77639 | 5.3 | 30.8 | — | — |
| CVE-2026-102134 | 5.4 | 9.9 | — | Kiteworks Core Unprotected Alternate Channel |
| CVE-2026-61909 | 4.3 | 9.4 | — | — |
Most-affected vendors
| Vendor | CVEs |
|---|---|
| cisco | 1 |
| crushftp | 1 |
| cyrusimap | 1 |
| kiteworks | 1 |
| torproject | 1 |