EPSS score history for CVE-2021-42550, 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 | 2.73% | 4.44% | +1.71% |
| 2 | 2026-03-06 | 2.60% | 2.73% | +0.12% |
| 3 | 2026-03-04 | 4.29% | 2.60% | -1.69% |
| 4 | 2026-03-01 | 2.60% | 4.29% | +1.69% |
| 5 | 2026-02-04 | 4.29% | 2.60% | -1.69% |
| 6 | 2026-02-01 | 2.60% | 4.29% | +1.69% |
| 7 | 2026-01-04 | 4.29% | 2.60% | -1.69% |
| 8 | 2026-01-01 | 2.60% | 4.29% | +1.69% |
| 9 | 2025-12-04 | 4.29% | 2.60% | -1.69% |
| 10 | 2025-12-01 | 2.60% | 4.29% | +1.69% |
| 11 | 2025-11-29 | 3.31% | 2.60% | -0.71% |
| 12 | 2025-11-28 | 4.66% | 3.31% | -1.35% |
| 13 | 2025-11-21 | 3.84% | 4.66% | +0.82% |
| 14 | 2025-11-18 | 4.66% | 3.84% | -0.82% |
| 15 | 2025-11-04 | 4.21% | 4.66% | +0.46% |
| 16 | 2025-11-03 | 4.29% | 4.21% | -0.08% |
| 17 | 2025-10-29 | 4.40% | 4.29% | -0.11% |
| 18 | 2025-10-17 | 4.29% | 4.40% | +0.11% |
| 19 | 2025-08-27 | 3.10% | 4.29% | +1.19% |
| 20 | 2025-08-16 | 3.02% | 3.10% | +0.08% |
| 21 | 2025-07-25 | 3.45% | 3.02% | -0.43% |
| 22 | 2025-07-16 | 2.16% | 3.45% | +1.28% |
| 23 | 2025-07-11 | 1.71% | 2.16% | +0.45% |
| 24 | 2025-07-06 | 1.77% | 1.71% | -0.05% |
| 25 | 2025-07-03 | 1.99% | 1.77% | -0.22% |
| 26 | 2025-03-30 | 8.14% | 1.99% | -6.15% |
| 27 | 2025-03-29 | 1.99% | 8.14% | +6.15% |
| 28 | 2025-03-17 | 1.64% | 1.99% | +0.35% |
| 29 | 2024-12-19 | 1.80% | 1.64% | -0.16% |
| 30 | 2024-12-17 | 1.55% | 1.80% | +0.25% |
| 31 | 2023-08-07 | 1.27% | 1.55% | +0.29% |
| 32 | 2023-07-24 | 1.06% | 1.27% | +0.21% |
| 33 | 2023-07-09 | 0.83% | 1.06% | +0.23% |
| 34 | 2023-03-23 | 0.65% | 0.83% | +0.18% |
| 35 | 2023-03-10 | 0.74% | 0.65% | -0.10% |
| 36 | 2023-03-07 | 1.03% | 0.74% | -0.29% |
| 37 | 2022-10-01 | 11.57% | 1.03% | -10.54% |
| 38 | 2022-07-23 | 14.47% | 11.57% | -2.90% |
| 39 | 2022-02-04 | 4.50% | 14.47% | +9.97% |
| 40 | 2022-01-18 | 1.04% | 4.50% | +3.46% |
| 41 | 2022-01-08 | 4.50% | 1.04% | -3.46% |
| 42 | 2022-01-03 | 1.04% | 4.50% | +3.46% |
| 43 | 2021-12-30 | 0.83% | 1.04% | +0.21% |
| 44 | 2021-12-20 | — | 0.83% | — |