EPSS score history for CVE-2021-20028, 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 | 80.27% | 30.08% | -50.19% |
| 2 | 2026-06-08 | 80.80% | 80.27% | -0.53% |
| 3 | 2026-05-22 | 82.88% | 80.80% | -2.08% |
| 4 | 2026-05-03 | 79.17% | 82.88% | +3.71% |
| 5 | 2026-04-23 | 80.55% | 79.17% | -1.38% |
| 6 | 2026-03-26 | 83.21% | 80.55% | -2.65% |
| 7 | 2026-03-23 | 83.42% | 83.21% | -0.21% |
| 8 | 2026-03-21 | 81.78% | 83.42% | +1.64% |
| 9 | 2026-03-08 | 84.89% | 81.78% | -3.11% |
| 10 | 2026-03-07 | 85.69% | 84.89% | -0.80% |
| 11 | 2025-12-26 | 85.85% | 85.69% | -0.17% |
| 12 | 2025-12-18 | 85.69% | 85.85% | +0.17% |
| 13 | 2025-11-21 | 55.31% | 85.69% | +30.38% |
| 14 | 2025-11-18 | 85.69% | 55.31% | -30.38% |
| 15 | 2025-11-01 | 86.39% | 85.69% | -0.71% |
| 16 | 2025-10-22 | 86.70% | 86.39% | -0.31% |
| 17 | 2025-06-25 | 85.91% | 86.70% | +0.80% |
| 18 | 2025-05-15 | 84.34% | 85.91% | +1.56% |
| 19 | 2025-04-14 | 85.06% | 84.34% | -0.72% |
| 20 | 2025-03-30 | 86.88% | 85.06% | -1.82% |
| 21 | 2025-03-29 | 85.06% | 86.88% | +1.82% |
| 22 | 2025-03-28 | 86.88% | 85.06% | -1.82% |
| 23 | 2025-03-27 | 85.06% | 86.88% | +1.82% |
| 24 | 2025-03-24 | 85.93% | 85.06% | -0.87% |
| 25 | 2025-03-20 | 87.59% | 85.93% | -1.65% |
| 26 | 2025-03-19 | 85.56% | 87.59% | +2.03% |
| 27 | 2025-03-17 | 2.39% | 85.56% | +83.17% |
| 28 | 2024-04-19 | 3.35% | 2.39% | -0.96% |
| 29 | 2024-03-10 | 4.59% | 3.35% | -1.24% |
| 30 | 2023-07-04 | 5.79% | 4.59% | -1.20% |
| 31 | 2023-06-21 | 8.71% | 5.79% | -2.91% |
| 32 | 2023-05-24 | 11.82% | 8.71% | -3.11% |
| 33 | 2023-03-07 | 0.89% | 11.82% | +10.93% |
| 34 | 2022-04-01 | 9.03% | 0.89% | -8.14% |
| 35 | 2022-02-04 | 1.84% | 9.03% | +7.19% |
| 36 | 2022-01-06 | 0.42% | 1.84% | +1.42% |
| 37 | 2021-08-05 | — | 0.42% | — |