EPSS score history for CVE-2021-4449, 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 | 80.80% | 5.29% | -75.51% |
| 2 | 2026-04-19 | 83.33% | 80.80% | -2.53% |
| 3 | 2026-04-16 | 81.62% | 83.33% | +1.70% |
| 4 | 2026-03-07 | 78.64% | 81.62% | +2.99% |
| 5 | 2025-12-08 | 78.11% | 78.64% | +0.52% |
| 6 | 2025-11-24 | 80.71% | 78.11% | -2.60% |
| 7 | 2025-11-22 | 5.01% | 80.71% | +75.70% |
| 8 | 2025-11-21 | 9.97% | 5.01% | -4.97% |
| 9 | 2025-11-18 | 14.09% | 9.97% | -4.11% |
| 10 | 2025-08-12 | 13.45% | 14.09% | +0.64% |
| 11 | 2025-07-02 | 12.92% | 13.45% | +0.53% |
| 12 | 2025-06-21 | 11.38% | 12.92% | +1.54% |
| 13 | 2025-05-22 | 9.30% | 11.38% | +2.09% |
| 14 | 2025-05-12 | 8.24% | 9.30% | +1.06% |
| 15 | 2025-03-30 | 47.92% | 8.24% | -39.68% |
| 16 | 2025-03-29 | 8.24% | 47.92% | +39.68% |
| 17 | 2025-03-26 | 6.01% | 8.24% | +2.22% |
| 18 | 2025-03-24 | 16.71% | 6.01% | -10.70% |
| 19 | 2025-03-23 | 6.01% | 16.71% | +10.70% |
| 20 | 2025-03-19 | 4.16% | 6.01% | +1.85% |
| 21 | 2025-03-17 | 0.10% | 4.16% | +4.06% |
| 22 | 2024-10-17 | — | 0.10% | — |