EPSS score history for CVE-2021-20150, 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 | 56.56% | 40.06% | -16.50% |
| 2 | 2026-05-16 | 35.19% | 56.56% | +21.37% |
| 3 | 2026-02-11 | 41.62% | 35.19% | -6.44% |
| 4 | 2026-01-18 | 35.19% | 41.62% | +6.44% |
| 5 | 2026-01-10 | 38.80% | 35.19% | -3.61% |
| 6 | 2025-11-21 | 27.43% | 38.80% | +11.37% |
| 7 | 2025-11-18 | 38.80% | 27.43% | -11.37% |
| 8 | 2025-05-11 | 57.20% | 38.80% | -18.40% |
| 9 | 2025-03-30 | 81.41% | 57.20% | -24.21% |
| 10 | 2025-03-29 | 57.20% | 81.41% | +24.21% |
| 11 | 2025-03-28 | 32.84% | 57.20% | +24.36% |
| 12 | 2025-03-26 | 27.57% | 32.84% | +5.27% |
| 13 | 2025-03-24 | 32.84% | 27.57% | -5.27% |
| 14 | 2025-03-23 | 27.57% | 32.84% | +5.27% |
| 15 | 2025-03-18 | 28.61% | 27.57% | -1.04% |
| 16 | 2025-03-17 | 12.16% | 28.61% | +16.44% |
| 17 | 2024-12-17 | 11.83% | 12.16% | +0.33% |
| 18 | 2024-09-14 | 14.02% | 11.83% | -2.19% |
| 19 | 2024-08-05 | 17.72% | 14.02% | -3.70% |
| 20 | 2024-03-08 | 19.43% | 17.72% | -1.71% |
| 21 | 2023-11-29 | 14.41% | 19.43% | +5.02% |
| 22 | 2023-10-04 | 16.18% | 14.41% | -1.76% |
| 23 | 2023-08-21 | 18.98% | 16.18% | -2.81% |
| 24 | 2023-07-23 | 21.13% | 18.98% | -2.15% |
| 25 | 2023-07-10 | 23.57% | 21.13% | -2.44% |
| 26 | 2023-06-25 | 22.62% | 23.57% | +0.95% |
| 27 | 2023-06-12 | 20.02% | 22.62% | +2.61% |
| 28 | 2023-05-03 | 25.77% | 20.02% | -5.76% |
| 29 | 2023-03-12 | 25.77% | 25.77% | +0.00% |
| 30 | 2023-03-11 | 24.09% | 25.77% | +1.68% |
| 31 | 2023-03-07 | 0.89% | 24.09% | +23.21% |
| 32 | 2022-02-04 | 0.42% | 0.89% | +0.47% |
| 33 | 2021-12-31 | — | 0.42% | — |