EPSS score history for CVE-2021-1669, 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 | 7.22% | 2.97% | -4.25% |
| 2 | 2026-03-11 | 5.53% | 7.22% | +1.69% |
| 3 | 2025-12-03 | 4.49% | 5.53% | +1.04% |
| 4 | 2025-11-21 | 4.43% | 4.49% | +0.06% |
| 5 | 2025-11-18 | 4.49% | 4.43% | -0.06% |
| 6 | 2025-10-28 | 4.63% | 4.49% | -0.14% |
| 7 | 2025-10-12 | 2.64% | 4.63% | +1.99% |
| 8 | 2025-06-05 | 2.00% | 2.64% | +0.64% |
| 9 | 2025-03-30 | 4.99% | 2.00% | -2.99% |
| 10 | 2025-03-29 | 2.00% | 4.99% | +2.99% |
| 11 | 2025-03-25 | 0.95% | 2.00% | +1.05% |
| 12 | 2025-03-19 | 0.67% | 0.95% | +0.28% |
| 13 | 2025-03-17 | 0.12% | 0.67% | +0.55% |
| 14 | 2024-11-01 | 0.17% | 0.12% | -0.05% |
| 15 | 2024-10-14 | 0.13% | 0.17% | +0.04% |
| 16 | 2023-04-06 | 0.16% | 0.13% | -0.03% |
| 17 | 2023-03-07 | 1.15% | 0.16% | -0.99% |
| 18 | 2022-04-01 | 2.29% | 1.15% | -1.14% |
| 19 | 2022-02-04 | 17.64% | 2.29% | -15.35% |
| 20 | 2022-01-06 | 4.56% | 17.64% | +13.08% |
| 21 | 2021-04-14 | — | 4.56% | — |