EPSS
EPSS 是一種預測漏洞被利用可能性的評分模型。
EPSS 評分
EPSS 模型產生介於 0 到 1(0% 到 100%)之間的概率分數。分數越高,漏洞被利用的概率越大。
| 日期 | EPSS V0 | EPSS V1 | EPSS V2 (> 2022-02-04) | EPSS V3 (> 2025-03-07) | EPSS V4 (> 2025-03-17) |
|---|
| 2025-04-07 | – | – | – | – | 0.05% |
| 2025-04-15 | – | – | – | – | 0.05% |
| 2025-04-16 | – | – | – | – | 0.05% |
| 2025-04-22 | – | – | – | – | 0.05% |
| 2025-05-27 | – | – | – | – | 0.05% |
| 2025-07-21 | – | – | – | – | 0.2% |
| 2025-08-17 | – | – | – | – | 0.14% |
| 2025-08-28 | – | – | – | – | 0.17% |
| 2025-10-14 | – | – | – | – | 0.18% |
| 2025-10-16 | – | – | – | – | 0.18% |
| 2025-10-17 | – | – | – | – | 0.18% |
| 2025-10-24 | – | – | – | – | 0.21% |
| 2025-11-18 | – | – | – | – | 0.36% |
| 2025-11-21 | – | – | – | – | 0.21% |
| 2025-11-23 | – | – | – | – | 0.23% |
| 2025-12-04 | – | – | – | – | 0.29% |
| 2025-12-14 | – | – | – | – | 0.33% |
| 2026-01-04 | – | – | – | – | 0.44% |
| 2026-01-06 | – | – | – | – | 0.44% |
| 2026-01-07 | – | – | – | – | 0.44% |
| 2026-01-13 | – | – | – | – | 0.44% |
| 2026-01-14 | – | – | – | – | 0.49% |
| 2026-05-10 | – | – | – | – | 1.85% |
EPSS 百分位數
百分位數用於根據 EPSS 分數對 CVE 進行排名。例如,EPSS 評分在第 95 百分位的 CVE 比 95% 的其他 CVE 更有可能被利用。因此,百分位數用於比較某 CVE 的 EPSS 分數與其他 CVE 的相對位置。
| 日期 | 百分位 |
|---|
| 2025-04-07 | 11% |
| 2025-04-15 | 13% |
| 2025-04-16 | 14% |
| 2025-04-22 | 15% |
| 2025-05-27 | 16% |
| 2025-07-21 | 42% |
| 2025-08-17 | 35% |
| 2025-08-28 | 39% |
| 2025-10-14 | 4% |
| 2025-10-16 | 41% |
| 2025-10-17 | 4% |
| 2025-10-24 | 43% |
| 2025-11-18 | 56% |
| 2025-11-21 | 43% |
| 2025-11-23 | 45% |
| 2025-12-04 | 52% |
| 2025-12-14 | 55% |
| 2026-01-04 | 63% |
| 2026-01-06 | 62% |
| 2026-01-07 | 63% |
| 2026-01-13 | 62% |
| 2026-01-14 | 65% |
| 2026-05-10 | 83% |
參考資料