EPSS score history for CVE-2021-30639, 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 | 0.42% | 6.89% | +6.47% |
| 2 | 2026-03-28 | 0.71% | 0.42% | -0.29% |
| 3 | 2026-03-17 | 0.42% | 0.71% | +0.29% |
| 4 | 2026-01-02 | 0.71% | 0.42% | -0.29% |
| 5 | 2025-11-21 | 7.37% | 0.71% | -6.65% |
| 6 | 2025-11-18 | 0.71% | 7.37% | +6.65% |
| 7 | 2025-10-28 | 0.64% | 0.71% | +0.08% |
| 8 | 2025-10-25 | 0.42% | 0.64% | +0.22% |
| 9 | 2025-10-20 | 0.34% | 0.42% | +0.08% |
| 10 | 2025-08-27 | 0.35% | 0.34% | -0.01% |
| 11 | 2025-08-14 | 0.34% | 0.35% | +0.01% |
| 12 | 2025-07-05 | 0.58% | 0.34% | -0.24% |
| 13 | 2025-07-01 | 0.34% | 0.58% | +0.24% |
| 14 | 2025-06-10 | 0.40% | 0.34% | -0.05% |
| 15 | 2025-03-30 | 17.31% | 0.40% | -16.91% |
| 16 | 2025-03-29 | 0.40% | 17.31% | +16.91% |
| 17 | 2025-03-24 | 5.48% | 0.40% | -5.08% |
| 18 | 2025-03-23 | 0.40% | 5.48% | +5.08% |
| 19 | 2025-03-17 | 2.54% | 0.40% | -2.14% |
| 20 | 2024-12-17 | 1.20% | 2.54% | +1.34% |
| 21 | 2024-11-29 | 1.31% | 1.20% | -0.11% |
| 22 | 2024-03-27 | 1.08% | 1.31% | +0.23% |
| 23 | 2023-03-07 | 1.74% | 1.08% | -0.66% |
| 24 | 2022-04-01 | 11.66% | 1.74% | -9.92% |
| 25 | 2022-02-08 | 8.66% | 11.66% | +3.00% |
| 26 | 2022-02-04 | 17.53% | 8.66% | -8.87% |
| 27 | 2022-01-06 | 4.52% | 17.53% | +13.01% |
| 28 | 2021-10-22 | 3.79% | 4.52% | +0.73% |
| 29 | 2021-08-27 | 3.05% | 3.79% | +0.74% |
| 30 | 2021-07-16 | 1.04% | 3.05% | +2.02% |
| 31 | 2021-07-13 | — | 1.04% | — |