EPSS score history for CVE-2021-4231, 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 | 1.20% | 1.05% | -0.15% |
| 2 | 2026-04-30 | 1.51% | 1.20% | -0.31% |
| 3 | 2026-04-28 | 1.34% | 1.51% | +0.17% |
| 4 | 2026-03-04 | 1.00% | 1.34% | +0.34% |
| 5 | 2026-03-01 | 1.34% | 1.00% | -0.34% |
| 6 | 2026-02-04 | 1.00% | 1.34% | +0.34% |
| 7 | 2026-02-01 | 1.34% | 1.00% | -0.34% |
| 8 | 2026-01-04 | 1.00% | 1.34% | +0.34% |
| 9 | 2026-01-01 | 1.34% | 1.00% | -0.34% |
| 10 | 2025-12-04 | 1.00% | 1.34% | +0.34% |
| 11 | 2025-12-01 | 1.34% | 1.00% | -0.34% |
| 12 | 2025-11-21 | 0.65% | 1.34% | +0.70% |
| 13 | 2025-11-18 | 1.27% | 0.65% | -0.63% |
| 14 | 2025-11-04 | 0.95% | 1.27% | +0.32% |
| 15 | 2025-11-01 | 1.27% | 0.95% | -0.32% |
| 16 | 2025-10-04 | 0.95% | 1.27% | +0.32% |
| 17 | 2025-10-01 | 1.27% | 0.95% | -0.32% |
| 18 | 2025-09-24 | 1.44% | 1.27% | -0.17% |
| 19 | 2025-09-04 | 1.09% | 1.44% | +0.35% |
| 20 | 2025-09-01 | 1.44% | 1.09% | -0.35% |
| 21 | 2025-08-19 | 1.27% | 1.44% | +0.17% |
| 22 | 2025-08-05 | 1.49% | 1.27% | -0.21% |
| 23 | 2025-08-04 | 0.95% | 1.49% | +0.54% |
| 24 | 2025-08-01 | 1.49% | 0.95% | -0.54% |
| 25 | 2025-07-17 | 1.87% | 1.49% | -0.38% |
| 26 | 2025-07-16 | 1.49% | 1.87% | +0.38% |
| 27 | 2025-07-13 | 1.30% | 1.49% | +0.18% |
| 28 | 2025-07-04 | 0.83% | 1.30% | +0.47% |
| 29 | 2025-07-01 | 1.30% | 0.83% | -0.47% |
| 30 | 2025-06-13 | 1.12% | 1.30% | +0.18% |
| 31 | 2025-06-08 | 1.28% | 1.12% | -0.16% |
| 32 | 2025-06-04 | 0.82% | 1.28% | +0.46% |
| 33 | 2025-06-03 | 1.05% | 0.82% | -0.23% |
| 34 | 2025-06-01 | 1.64% | 1.05% | -0.59% |
| 35 | 2025-05-27 | 1.47% | 1.64% | +0.17% |
| 36 | 2025-05-23 | 0.94% | 1.47% | +0.53% |
| 37 | 2025-03-30 | 1.27% | 0.94% | -0.33% |
| 38 | 2025-03-29 | 0.94% | 1.27% | +0.33% |
| 39 | 2025-03-26 | 0.73% | 0.94% | +0.20% |
| 40 | 2025-03-22 | 0.53% | 0.73% | +0.20% |
| 41 | 2025-03-19 | 0.42% | 0.53% | +0.11% |
| 42 | 2025-03-17 | 0.06% | 0.42% | +0.36% |
| 43 | 2023-03-07 | 0.95% | 0.06% | -0.89% |
| 44 | 2022-05-26 | — | 0.95% | — |