EPSS score history for CVE-2021-21707, 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 | 0.56% | 25.95% | +25.39% |
| 2 | 2025-12-30 | 0.81% | 0.56% | -0.25% |
| 3 | 2025-12-28 | 0.58% | 0.81% | +0.23% |
| 4 | 2025-12-27 | 0.84% | 0.58% | -0.26% |
| 5 | 2025-11-21 | 1.04% | 0.84% | -0.20% |
| 6 | 2025-11-18 | 0.84% | 1.04% | +0.20% |
| 7 | 2025-10-28 | 0.60% | 0.84% | +0.24% |
| 8 | 2025-10-27 | 0.84% | 0.60% | -0.24% |
| 9 | 2025-10-11 | 0.62% | 0.84% | +0.22% |
| 10 | 2025-10-01 | 0.39% | 0.62% | +0.23% |
| 11 | 2025-09-16 | 0.66% | 0.39% | -0.27% |
| 12 | 2025-09-10 | 0.60% | 0.66% | +0.07% |
| 13 | 2025-08-28 | 0.66% | 0.60% | -0.07% |
| 14 | 2025-08-24 | 0.60% | 0.66% | +0.07% |
| 15 | 2025-08-16 | 0.66% | 0.60% | -0.07% |
| 16 | 2025-07-30 | 0.92% | 0.66% | -0.26% |
| 17 | 2025-05-19 | 0.64% | 0.92% | +0.28% |
| 18 | 2025-03-17 | 0.17% | 0.64% | +0.47% |
| 19 | 2024-12-17 | 0.31% | 0.17% | -0.14% |
| 20 | 2024-12-16 | 0.16% | 0.31% | +0.16% |
| 21 | 2024-07-31 | 0.07% | 0.16% | +0.08% |
| 22 | 2023-03-07 | 0.95% | 0.07% | -0.88% |
| 23 | 2022-04-01 | 5.74% | 0.95% | -4.78% |
| 24 | 2022-02-22 | 4.50% | 5.74% | +1.24% |
| 25 | 2022-02-04 | 2.74% | 4.50% | +1.76% |
| 26 | 2022-01-06 | 0.62% | 2.74% | +2.12% |
| 27 | 2021-12-24 | 0.42% | 0.62% | +0.21% |
| 28 | 2021-11-29 | — | 0.42% | — |