EPSS score history for CVE-2021-39271, 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 | 2026-06-23 | 3.56% | 3.68% | +0.12% |
| 2 | 2026-06-15 | 3.98% | 3.56% | -0.42% |
| 3 | 2025-03-30 | 12.40% | 3.98% | -8.42% |
| 4 | 2025-03-29 | 3.98% | 12.40% | +8.42% |
| 5 | 2025-03-17 | 2.38% | 3.98% | +1.61% |
| 6 | 2024-12-17 | 3.11% | 2.38% | -0.73% |
| 7 | 2024-10-02 | 2.22% | 3.11% | +0.89% |
| 8 | 2024-09-02 | 1.57% | 2.22% | +0.64% |
| 9 | 2024-07-22 | 1.08% | 1.57% | +0.50% |
| 10 | 2023-04-21 | 0.70% | 1.08% | +0.37% |
| 11 | 2023-04-07 | 0.58% | 0.70% | +0.13% |
| 12 | 2023-03-23 | 0.48% | 0.58% | +0.10% |
| 13 | 2023-03-07 | 4.57% | 0.48% | -4.09% |
| 14 | 2022-04-01 | 44.86% | 4.57% | -40.28% |
| 15 | 2022-02-04 | 7.71% | 44.86% | +37.15% |
| 16 | 2022-01-06 | 1.83% | 7.71% | +5.88% |
| 17 | 2021-10-09 | 7.71% | 1.83% | -5.88% |
| 18 | 2021-09-03 | 1.83% | 7.71% | +5.88% |
| 19 | 2021-09-01 | 1.37% | 1.83% | +0.45% |
| 20 | 2021-08-30 | — | 1.37% | — |