EPSS score history for CVE-2021-21148, 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 | 22.31% | 19.81% | -2.50% |
| 2 | 2026-05-27 | 24.87% | 22.31% | -2.56% |
| 3 | 2026-02-11 | 19.90% | 24.87% | +4.97% |
| 4 | 2025-12-31 | 22.30% | 19.90% | -2.39% |
| 5 | 2025-11-21 | 15.29% | 22.30% | +7.01% |
| 6 | 2025-11-18 | 22.30% | 15.29% | -7.01% |
| 7 | 2025-10-25 | 27.22% | 22.30% | -4.93% |
| 8 | 2025-10-22 | 37.79% | 27.22% | -10.56% |
| 9 | 2025-09-23 | 50.03% | 37.79% | -12.25% |
| 10 | 2025-09-17 | 47.74% | 50.03% | +2.29% |
| 11 | 2025-08-28 | 50.29% | 47.74% | -2.55% |
| 12 | 2025-06-03 | 26.53% | 50.29% | +23.76% |
| 13 | 2025-03-30 | 40.97% | 26.53% | -14.44% |
| 14 | 2025-03-29 | 26.53% | 40.97% | +14.44% |
| 15 | 2025-03-28 | 40.97% | 26.53% | -14.44% |
| 16 | 2025-03-27 | 26.53% | 40.97% | +14.44% |
| 17 | 2025-03-20 | 40.97% | 26.53% | -14.44% |
| 18 | 2025-03-19 | 26.53% | 40.97% | +14.44% |
| 19 | 2025-03-17 | 1.43% | 26.53% | +25.10% |
| 20 | 2024-12-17 | 1.20% | 1.43% | +0.23% |
| 21 | 2024-12-14 | 1.37% | 1.20% | -0.17% |
| 22 | 2024-11-29 | 1.19% | 1.37% | +0.18% |
| 23 | 2024-10-09 | 1.10% | 1.19% | +0.09% |
| 24 | 2024-09-06 | 1.16% | 1.10% | -0.06% |
| 25 | 2024-07-26 | 1.62% | 1.16% | -0.46% |
| 26 | 2024-05-13 | 1.36% | 1.62% | +0.25% |
| 27 | 2024-04-12 | 1.51% | 1.36% | -0.15% |
| 28 | 2024-02-13 | 1.65% | 1.51% | -0.14% |
| 29 | 2024-01-16 | 2.15% | 1.65% | -0.50% |
| 30 | 2023-12-19 | 1.93% | 2.15% | +0.22% |
| 31 | 2023-11-21 | 1.69% | 1.93% | +0.24% |
| 32 | 2023-11-08 | 1.98% | 1.69% | -0.28% |
| 33 | 2023-10-26 | 1.75% | 1.98% | +0.23% |
| 34 | 2023-09-16 | 1.54% | 1.75% | +0.21% |
| 35 | 2023-08-21 | 1.56% | 1.54% | -0.03% |
| 36 | 2023-06-28 | 1.40% | 1.56% | +0.16% |
| 37 | 2023-03-07 | 1.32% | 1.40% | +0.08% |
| 38 | 2022-04-01 | 16.09% | 1.32% | -14.77% |
| 39 | 2022-02-04 | 3.77% | 16.09% | +12.32% |
| 40 | 2022-01-06 | 0.87% | 3.77% | +2.90% |
| 41 | 2021-05-15 | 0.76% | 0.87% | +0.11% |
| 42 | 2021-05-01 | 0.65% | 0.76% | +0.11% |
| 43 | 2021-04-14 | — | 0.65% | — |