EPSS score history for CVE-2021-21300, 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 | 58.28% | 88.64% | +30.36% |
| 2 | 2026-06-08 | 61.88% | 58.28% | -3.60% |
| 3 | 2026-05-10 | 64.46% | 61.88% | -2.58% |
| 4 | 2026-05-05 | 58.74% | 64.46% | +5.72% |
| 5 | 2026-04-22 | 64.46% | 58.74% | -5.72% |
| 6 | 2026-04-18 | 61.88% | 64.46% | +2.58% |
| 7 | 2026-03-27 | 66.06% | 61.88% | -4.18% |
| 8 | 2026-03-25 | 60.52% | 66.06% | +5.54% |
| 9 | 2026-03-21 | 66.06% | 60.52% | -5.54% |
| 10 | 2026-03-01 | 67.16% | 66.06% | -1.10% |
| 11 | 2026-02-20 | 65.68% | 67.16% | +1.48% |
| 12 | 2026-02-06 | 67.46% | 65.68% | -1.78% |
| 13 | 2026-01-28 | 64.46% | 67.46% | +3.00% |
| 14 | 2026-01-20 | 62.08% | 64.46% | +2.38% |
| 15 | 2026-01-05 | 60.09% | 62.08% | +1.99% |
| 16 | 2025-12-28 | 59.27% | 60.09% | +0.82% |
| 17 | 2025-12-27 | 60.09% | 59.27% | -0.82% |
| 18 | 2025-12-23 | 62.18% | 60.09% | -2.09% |
| 19 | 2025-12-07 | 64.94% | 62.18% | -2.76% |
| 20 | 2025-12-02 | 71.33% | 64.94% | -6.39% |
| 21 | 2025-11-21 | 39.87% | 71.33% | +31.46% |
| 22 | 2025-11-18 | 75.50% | 39.87% | -35.63% |
| 23 | 2025-10-29 | 74.69% | 75.50% | +0.81% |
| 24 | 2025-10-28 | 74.13% | 74.69% | +0.56% |
| 25 | 2025-10-27 | 74.69% | 74.13% | -0.56% |
| 26 | 2025-10-01 | 69.72% | 74.69% | +4.97% |
| 27 | 2025-09-25 | 73.44% | 69.72% | -3.72% |
| 28 | 2025-09-23 | 64.08% | 73.44% | +9.36% |
| 29 | 2025-09-18 | 69.23% | 64.08% | -5.15% |
| 30 | 2025-09-07 | 70.68% | 69.23% | -1.46% |
| 31 | 2025-08-21 | 70.79% | 70.68% | -0.10% |
| 32 | 2025-08-06 | 67.93% | 70.79% | +2.86% |
| 33 | 2025-07-31 | 73.09% | 67.93% | -5.17% |
| 34 | 2025-07-30 | 75.14% | 73.09% | -2.05% |
| 35 | 2025-07-13 | 72.56% | 75.14% | +2.59% |
| 36 | 2025-06-21 | 75.02% | 72.56% | -2.46% |
| 37 | 2025-05-18 | 70.76% | 75.02% | +4.26% |
| 38 | 2025-05-17 | 72.97% | 70.76% | -2.21% |
| 39 | 2025-05-15 | 76.90% | 72.97% | -3.92% |
| 40 | 2025-04-25 | 79.92% | 76.90% | -3.02% |
| 41 | 2025-03-31 | 76.58% | 79.92% | +3.34% |
| 42 | 2025-03-24 | 76.54% | 76.58% | +0.03% |
| 43 | 2025-03-20 | 76.58% | 76.54% | -0.03% |
| 44 | 2025-03-18 | 79.92% | 76.58% | -3.34% |
| 45 | 2025-03-17 | 69.83% | 79.92% | +10.08% |
| 46 | 2025-01-28 | 75.33% | 69.83% | -5.50% |
| 47 | 2024-12-17 | 84.99% | 75.33% | -9.66% |
| 48 | 2024-10-04 | 89.54% | 84.99% | -4.56% |
| 49 | 2024-08-29 | 89.57% | 89.54% | -0.03% |
| 50 | 2024-07-12 | 88.54% | 89.57% | +1.03% |
| 51 | 2024-06-10 | 89.70% | 88.54% | -1.16% |
| 52 | 2024-05-10 | 90.25% | 89.70% | -0.56% |
| 53 | 2024-03-26 | 88.59% | 90.25% | +1.67% |
| 54 | 2024-03-12 | 89.47% | 88.59% | -0.89% |
| 55 | 2024-02-26 | 90.72% | 89.47% | -1.24% |
| 56 | 2024-02-13 | 91.06% | 90.72% | -0.34% |
| 57 | 2024-01-16 | 91.38% | 91.06% | -0.32% |
| 58 | 2023-12-19 | 90.16% | 91.38% | +1.22% |
| 59 | 2023-12-07 | 88.14% | 90.16% | +2.02% |
| 60 | 2023-11-23 | 89.89% | 88.14% | -1.75% |
| 61 | 2023-11-08 | 64.63% | 89.89% | +25.27% |
| 62 | 2023-10-28 | 63.48% | 64.63% | +1.15% |
| 63 | 2023-10-14 | 58.66% | 63.48% | +4.82% |
| 64 | 2023-10-02 | 70.39% | 58.66% | -11.73% |
| 65 | 2023-09-18 | 69.16% | 70.39% | +1.23% |
| 66 | 2023-09-05 | 71.40% | 69.16% | -2.24% |
| 67 | 2023-07-11 | 73.26% | 71.40% | -1.86% |
| 68 | 2023-06-29 | 74.48% | 73.26% | -1.23% |
| 69 | 2023-06-13 | 79.07% | 74.48% | -4.58% |
| 70 | 2023-06-01 | 80.89% | 79.07% | -1.82% |
| 71 | 2023-05-08 | 84.48% | 80.89% | -3.59% |
| 72 | 2023-04-05 | 82.39% | 84.48% | +2.09% |
| 73 | 2023-03-23 | 81.05% | 82.39% | +1.35% |
| 74 | 2023-03-07 | 64.95% | 81.05% | +16.09% |
| 75 | 2022-02-04 | 12.57% | 64.95% | +52.39% |
| 76 | 2021-09-16 | 1.91% | 12.57% | +10.66% |
| 77 | 2021-09-14 | 12.57% | 1.91% | -10.66% |
| 78 | 2021-09-01 | 11.77% | 12.57% | +0.80% |
| 79 | 2021-08-27 | 1.77% | 11.77% | +9.99% |
| 80 | 2021-05-01 | 1.64% | 1.77% | +0.14% |
| 81 | 2021-04-29 | 1.64% | 1.64% | +0.00% |
| 82 | 2021-04-28 | 9.45% | 1.64% | -7.81% |
| 83 | 2021-04-27 | 8.66% | 9.45% | +0.79% |
| 84 | 2021-04-14 | — | 8.66% | — |