EPSS score history for CVE-2021-20587, 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 | 11.75% | 3.66% | -8.09% |
| 2 | 2026-02-21 | 9.01% | 11.75% | +2.75% |
| 3 | 2025-11-24 | 4.49% | 9.01% | +4.51% |
| 4 | 2025-11-21 | 15.29% | 4.49% | -10.80% |
| 5 | 2025-11-18 | 4.49% | 15.29% | +10.80% |
| 6 | 2025-11-09 | 6.95% | 4.49% | -2.46% |
| 7 | 2025-07-04 | 8.72% | 6.95% | -1.77% |
| 8 | 2025-06-17 | 6.95% | 8.72% | +1.77% |
| 9 | 2025-06-13 | 2.96% | 6.95% | +3.99% |
| 10 | 2025-05-26 | 1.68% | 2.96% | +1.29% |
| 11 | 2025-03-30 | 3.04% | 1.68% | -1.36% |
| 12 | 2025-03-29 | 1.68% | 3.04% | +1.36% |
| 13 | 2025-03-17 | 1.89% | 1.68% | -0.22% |
| 14 | 2024-12-17 | 0.85% | 1.89% | +1.04% |
| 15 | 2024-12-09 | 0.69% | 0.85% | +0.16% |
| 16 | 2023-11-05 | 0.62% | 0.69% | +0.06% |
| 17 | 2023-09-26 | 0.43% | 0.62% | +0.19% |
| 18 | 2023-03-07 | 1.14% | 0.43% | -0.71% |
| 19 | 2022-04-01 | 12.49% | 1.14% | -11.36% |
| 20 | 2022-02-10 | 9.03% | 12.49% | +3.46% |
| 21 | 2022-02-04 | 3.43% | 9.03% | +5.60% |
| 22 | 2022-01-06 | 0.78% | 3.43% | +2.64% |
| 23 | 2021-04-14 | — | 0.78% | — |