EPSS score history for CVE-2021-3331, 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 | 6.39% | 7.41% | +1.02% |
| 2 | 2026-03-04 | 2.77% | 6.39% | +3.61% |
| 3 | 2026-03-01 | 6.39% | 2.77% | -3.61% |
| 4 | 2026-02-04 | 2.77% | 6.39% | +3.61% |
| 5 | 2026-02-01 | 6.39% | 2.77% | -3.61% |
| 6 | 2026-01-04 | 2.77% | 6.39% | +3.61% |
| 7 | 2026-01-01 | 5.58% | 2.77% | -2.81% |
| 8 | 2025-12-04 | 2.77% | 5.58% | +2.81% |
| 9 | 2025-12-01 | 5.58% | 2.77% | -2.81% |
| 10 | 2025-11-04 | 2.77% | 5.58% | +2.81% |
| 11 | 2025-11-01 | 5.58% | 2.77% | -2.81% |
| 12 | 2025-10-04 | 2.77% | 5.58% | +2.81% |
| 13 | 2025-10-01 | 5.58% | 2.77% | -2.81% |
| 14 | 2025-09-04 | 2.77% | 5.58% | +2.81% |
| 15 | 2025-09-01 | 5.58% | 2.77% | -2.81% |
| 16 | 2025-08-04 | 2.77% | 5.58% | +2.81% |
| 17 | 2025-08-01 | 5.58% | 2.77% | -2.81% |
| 18 | 2025-07-06 | 7.52% | 5.58% | -1.93% |
| 19 | 2025-07-04 | 6.52% | 7.52% | +1.00% |
| 20 | 2025-07-01 | 7.52% | 6.52% | -1.00% |
| 21 | 2025-06-04 | 6.52% | 7.52% | +1.00% |
| 22 | 2025-06-01 | 7.52% | 6.52% | -1.00% |
| 23 | 2025-05-04 | 6.52% | 7.52% | +1.00% |
| 24 | 2025-05-01 | 7.52% | 6.52% | -1.00% |
| 25 | 2025-03-30 | 18.85% | 7.52% | -11.34% |
| 26 | 2025-03-29 | 7.52% | 18.85% | +11.34% |
| 27 | 2025-03-17 | 0.63% | 7.52% | +6.89% |
| 28 | 2024-11-16 | 0.48% | 0.63% | +0.15% |
| 29 | 2023-09-03 | 0.41% | 0.48% | +0.07% |
| 30 | 2023-03-07 | 1.21% | 0.41% | -0.80% |
| 31 | 2022-04-01 | 15.35% | 1.21% | -14.14% |
| 32 | 2022-02-04 | 5.60% | 15.35% | +9.75% |
| 33 | 2022-01-06 | 1.31% | 5.60% | +4.30% |
| 34 | 2021-04-14 | — | 1.31% | — |