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 | – | – | – | – | 0.09% |
| 2025-04-14 | – | – | – | – | 0.09% |
| 2025-04-15 | – | – | – | – | 0.09% |
| 2025-04-22 | – | – | – | – | 0.1% |
| 2025-04-27 | – | – | – | – | 0.1% |
| 2025-05-01 | – | – | – | – | 0.18% |
| 2025-05-02 | – | – | – | – | 0.18% |
| 2025-05-04 | – | – | – | – | 0.18% |
| 2025-05-27 | – | – | – | – | 0.24% |
| 2025-07-21 | – | – | – | – | 0.43% |
| 2025-08-16 | – | – | – | – | 0.25% |
| 2025-08-17 | – | – | – | – | 0.27% |
| 2025-08-28 | – | – | – | – | 0.3% |
| 2025-10-14 | – | – | – | – | 0.24% |
| 2025-10-24 | – | – | – | – | 0.21% |
| 2025-11-18 | – | – | – | – | 0.37% |
| 2025-11-21 | – | – | – | – | 0.21% |
| 2025-11-23 | – | – | – | – | 0.17% |
| 2025-12-04 | – | – | – | – | 0.18% |
| 2025-12-14 | – | – | – | – | 0.15% |
| 2026-01-14 | – | – | – | – | 0.16% |
| 2026-01-19 | – | – | – | – | 0.16% |
| 2026-05-10 | – | – | – | – | 0.62% |
| 2026-06-14 | – | – | – | – | 0.62% |
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 | 22% |
| 2025-04-14 | 23% |
| 2025-04-15 | 27% |
| 2025-04-22 | 29% |
| 2025-04-27 | 28% |
| 2025-05-01 | 4% |
| 2025-05-02 | 41% |
| 2025-05-04 | 4% |
| 2025-05-27 | 47% |
| 2025-07-21 | 62% |
| 2025-08-16 | 48% |
| 2025-08-17 | 5% |
| 2025-08-28 | 53% |
| 2025-10-14 | 47% |
| 2025-10-24 | 43% |
| 2025-11-18 | 56% |
| 2025-11-21 | 43% |
| 2025-11-23 | 39% |
| 2025-12-04 | 4% |
| 2025-12-14 | 37% |
| 2026-01-14 | 38% |
| 2026-01-19 | 37% |
| 2026-05-10 | 7% |
| 2026-06-14 | 71% |
參考資料