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) |
|---|
| 2021-06-13 | 0.42% | – | – | – | – |
| 2021-06-20 | 1.84% | – | – | – | – |
| 2021-06-27 | 0.42% | – | – | – | – |
| 2021-09-05 | – | 0.42% | – | – | – |
| 2021-12-26 | – | 0.42% | – | – | – |
| 2022-01-09 | – | 1.84% | – | – | – |
| 2022-01-16 | – | 1.84% | – | – | – |
| 2022-02-06 | – | – | 1.4% | – | – |
| 2022-02-27 | – | – | 1.4% | – | – |
| 2022-04-03 | – | – | 0.89% | – | – |
| 2022-04-24 | – | – | 0.89% | – | – |
| 2022-07-17 | – | – | 0.89% | – | – |
| 2022-10-09 | – | – | 0.89% | – | – |
| 2023-02-19 | – | – | 0.89% | – | – |
| 2023-03-12 | – | – | – | 0.04% | – |
| 2023-09-17 | – | – | – | 0.04% | – |
| 2023-12-03 | – | – | – | 0.04% | – |
| 2024-03-10 | – | – | – | 0.04% | – |
| 2024-06-02 | – | – | – | 0.04% | – |
| 2024-06-16 | – | – | – | 0.04% | – |
| 2024-10-27 | – | – | – | 0.04% | – |
| 2024-12-15 | – | – | – | 0.04% | – |
| 2024-12-22 | – | – | – | 0.04% | – |
| 2025-01-12 | – | – | – | 0.04% | – |
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 |
|---|
| 2021-06-13 | – |
| 2021-06-20 | – |
| 2021-06-27 | – |
| 2021-09-05 | 26% |
| 2021-12-26 | 27% |
| 2022-01-09 | 47% |
| 2022-01-16 | 48% |
| 2022-02-06 | 49% |
| 2022-02-27 | 5% |
| 2022-04-03 | 24% |
| 2022-04-24 | 25% |
| 2022-07-17 | 26% |
| 2022-10-09 | 27% |
| 2023-02-19 | 28% |
| 2023-03-12 | 1% |
| 2023-09-17 | 11% |
| 2023-12-03 | 1% |
| 2024-03-10 | 11% |
| 2024-06-02 | 12% |
| 2024-06-16 | 13% |
| 2024-10-27 | 14% |
| 2024-12-15 | 15% |
| 2024-12-22 | 14% |
| 2025-01-12 | 15% |
參考資料