EPSS score history for CVE-2021-20867, showing historical risk changes and exploitation probability trends for vulnerability prioritization and security analysis.
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.75% | 1.37% | +0.62% |
| 2 | 2026-03-04 | 0.58% | 0.75% | +0.17% |
| 3 | 2026-03-01 | 0.75% | 0.58% | -0.17% |
| 4 | 2026-02-04 | 0.58% | 0.75% | +0.17% |
| 5 | 2026-02-01 | 0.75% | 0.58% | -0.17% |
| 6 | 2026-01-04 | 0.58% | 0.75% | +0.17% |
| 7 | 2026-01-01 | 0.75% | 0.58% | -0.17% |
| 8 | 2025-12-10 | 0.23% | 0.75% | +0.52% |
| 9 | 2025-03-30 | 15.34% | 0.23% | -15.11% |
| 10 | 2025-03-29 | 0.31% | 15.34% | +15.03% |
| 11 | 2025-03-24 | 3.22% | 0.31% | -2.92% |
| 12 | 2025-03-23 | 0.31% | 3.22% | +2.92% |
| 13 | 2025-03-17 | 0.08% | 0.31% | +0.23% |
| 14 | 2023-03-07 | 0.89% | 0.08% | -0.81% |
| 15 | 2022-04-01 | 5.37% | 0.89% | -4.48% |
| 16 | 2022-02-04 | 3.63% | 5.37% | +1.74% |
| 17 | 2022-01-06 | 0.83% | 3.63% | +2.80% |
| 18 | 2021-12-13 | — | 0.83% | — |