EPSS score history for CVE-2021-38540, 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 | 91.78% | 80.94% | -10.84% |
| 2 | 2026-03-09 | 89.74% | 91.78% | +2.04% |
| 3 | 2026-03-04 | 90.71% | 89.74% | -0.96% |
| 4 | 2026-03-01 | 89.74% | 90.71% | +0.96% |
| 5 | 2026-02-08 | 90.04% | 89.74% | -0.29% |
| 6 | 2026-02-04 | 90.94% | 90.04% | -0.90% |
| 7 | 2026-02-01 | 90.04% | 90.94% | +0.90% |
| 8 | 2026-01-04 | 90.94% | 90.04% | -0.90% |
| 9 | 2026-01-01 | 90.04% | 90.94% | +0.90% |
| 10 | 2025-12-28 | 89.91% | 90.04% | +0.12% |
| 11 | 2025-12-27 | 90.04% | 89.91% | -0.12% |
| 12 | 2025-12-05 | 90.76% | 90.04% | -0.72% |
| 13 | 2025-12-04 | 91.52% | 90.76% | -0.76% |
| 14 | 2025-12-01 | 90.76% | 91.52% | +0.76% |
| 15 | 2025-11-21 | 58.44% | 90.76% | +32.33% |
| 16 | 2025-11-18 | 90.76% | 58.44% | -32.33% |
| 17 | 2025-11-04 | 91.52% | 90.76% | -0.76% |
| 18 | 2025-11-01 | 90.04% | 91.52% | +1.48% |
| 19 | 2025-10-28 | 89.91% | 90.04% | +0.12% |
| 20 | 2025-10-27 | 90.04% | 89.91% | -0.12% |
| 21 | 2025-10-04 | 90.94% | 90.04% | -0.90% |
| 22 | 2025-10-01 | 89.91% | 90.94% | +1.03% |
| 23 | 2025-09-04 | 90.84% | 89.91% | -0.93% |
| 24 | 2025-09-01 | 89.91% | 90.84% | +0.93% |
| 25 | 2025-08-04 | 90.84% | 89.91% | -0.93% |
| 26 | 2025-08-01 | 89.91% | 90.84% | +0.93% |
| 27 | 2025-07-30 | 90.04% | 89.91% | -0.12% |
| 28 | 2025-07-04 | 90.94% | 90.04% | -0.90% |
| 29 | 2025-07-01 | 90.04% | 90.94% | +0.90% |
| 30 | 2025-06-04 | 90.94% | 90.04% | -0.90% |
| 31 | 2025-06-01 | 90.04% | 90.94% | +0.90% |
| 32 | 2025-05-23 | 89.38% | 90.04% | +0.66% |
| 33 | 2025-05-04 | 90.42% | 89.38% | -1.04% |
| 34 | 2025-05-01 | 89.38% | 90.42% | +1.04% |
| 35 | 2025-04-18 | 91.38% | 89.38% | -2.00% |
| 36 | 2025-03-30 | 93.22% | 91.38% | -1.83% |
| 37 | 2025-03-29 | 91.38% | 93.22% | +1.83% |
| 38 | 2025-03-28 | 91.65% | 91.38% | -0.27% |
| 39 | 2025-03-27 | 91.38% | 91.65% | +0.27% |
| 40 | 2025-03-17 | 1.40% | 91.38% | +89.98% |
| 41 | 2025-02-12 | 1.25% | 1.40% | +0.15% |
| 42 | 2024-12-17 | 1.92% | 1.25% | -0.67% |
| 43 | 2024-12-11 | 1.35% | 1.92% | +0.56% |
| 44 | 2024-11-10 | 1.66% | 1.35% | -0.31% |
| 45 | 2024-08-28 | 1.90% | 1.66% | -0.24% |
| 46 | 2024-05-25 | 1.65% | 1.90% | +0.26% |
| 47 | 2024-03-07 | 1.27% | 1.65% | +0.37% |
| 48 | 2024-02-09 | 1.44% | 1.27% | -0.17% |
| 49 | 2023-12-30 | 1.31% | 1.44% | +0.13% |
| 50 | 2023-11-08 | 0.59% | 1.31% | +0.73% |
| 51 | 2023-10-20 | 0.52% | 0.59% | +0.07% |
| 52 | 2023-09-23 | 0.60% | 0.52% | -0.08% |
| 53 | 2023-08-25 | 0.76% | 0.60% | -0.16% |
| 54 | 2023-04-17 | 0.93% | 0.76% | -0.17% |
| 55 | 2023-04-02 | 0.81% | 0.93% | +0.11% |
| 56 | 2023-03-07 | 34.91% | 0.81% | -34.09% |
| 57 | 2022-06-14 | 1.88% | 34.91% | +33.02% |
| 58 | 2022-04-01 | 34.91% | 1.88% | -33.02% |
| 59 | 2022-02-04 | 19.00% | 34.91% | +15.91% |
| 60 | 2022-01-06 | 4.97% | 19.00% | +14.03% |
| 61 | 2021-09-22 | 1.71% | 4.97% | +3.26% |
| 62 | 2021-09-10 | — | 1.71% | — |