EPSS score history for CVE-2021-28878, 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 | 1.01% | 2.01% | +1.00% |
| 2 | 2026-01-05 | 0.70% | 1.01% | +0.31% |
| 3 | 2025-11-21 | 1.01% | 0.70% | -0.31% |
| 4 | 2025-11-18 | 0.70% | 1.01% | +0.31% |
| 5 | 2025-10-18 | 0.08% | 0.70% | +0.63% |
| 6 | 2025-03-30 | 0.25% | 0.08% | -0.17% |
| 7 | 2025-03-29 | 0.08% | 0.25% | +0.17% |
| 8 | 2025-03-17 | 0.68% | 0.08% | -0.60% |
| 9 | 2024-12-27 | 0.81% | 0.68% | -0.13% |
| 10 | 2023-12-26 | 0.71% | 0.81% | +0.10% |
| 11 | 2023-11-16 | 0.61% | 0.71% | +0.10% |
| 12 | 2023-11-08 | 0.22% | 0.61% | +0.39% |
| 13 | 2023-03-07 | 1.11% | 0.22% | -0.89% |
| 14 | 2022-10-17 | 1.02% | 1.11% | +0.09% |
| 15 | 2022-04-01 | 7.18% | 1.02% | -6.16% |
| 16 | 2022-02-04 | 5.36% | 7.18% | +1.81% |
| 17 | 2022-01-06 | 1.25% | 5.36% | +4.12% |
| 18 | 2021-04-27 | 0.62% | 1.25% | +0.62% |
| 19 | 2021-04-14 | — | 0.62% | — |