EPSS score history for CVE-2021-31455, 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 | 3.06% | 2.76% | -0.30% |
| 2 | 2025-08-20 | 2.34% | 3.06% | +0.73% |
| 3 | 2025-07-30 | 2.17% | 2.34% | +0.17% |
| 4 | 2025-03-30 | 2.86% | 2.17% | -0.70% |
| 5 | 2025-03-29 | 2.17% | 2.86% | +0.70% |
| 6 | 2025-03-17 | 0.35% | 2.17% | +1.82% |
| 7 | 2024-12-17 | 0.55% | 0.35% | -0.20% |
| 8 | 2024-09-24 | 0.61% | 0.55% | -0.07% |
| 9 | 2024-09-09 | 0.55% | 0.61% | +0.07% |
| 10 | 2024-07-24 | 0.62% | 0.55% | -0.07% |
| 11 | 2024-07-08 | 0.55% | 0.62% | +0.07% |
| 12 | 2024-05-24 | 0.64% | 0.55% | -0.09% |
| 13 | 2024-04-12 | 0.50% | 0.64% | +0.14% |
| 14 | 2024-01-21 | 0.42% | 0.50% | +0.08% |
| 15 | 2023-12-12 | 0.29% | 0.42% | +0.12% |
| 16 | 2023-05-21 | 0.15% | 0.29% | +0.14% |
| 17 | 2023-03-07 | 1.32% | 0.15% | -1.17% |
| 18 | 2022-04-01 | 3.30% | 1.32% | -1.98% |
| 19 | 2022-02-04 | 41.68% | 3.30% | -38.38% |
| 20 | 2022-01-06 | 13.74% | 41.68% | +27.94% |
| 21 | 2021-05-12 | 1.37% | 13.74% | +12.37% |
| 22 | 2021-05-08 | — | 1.37% | — |