EPSS score history for CVE-2021-33839, 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 | 1.14% | 2.77% | +1.62% |
| 2 | 2026-05-17 | 2.81% | 1.14% | -1.67% |
| 3 | 2026-01-23 | 2.09% | 2.81% | +0.72% |
| 4 | 2025-11-21 | 1.02% | 2.09% | +1.07% |
| 5 | 2025-11-18 | 2.13% | 1.02% | -1.11% |
| 6 | 2025-05-02 | 1.70% | 2.13% | +0.43% |
| 7 | 2025-03-30 | 11.81% | 1.70% | -10.11% |
| 8 | 2025-03-29 | 1.70% | 11.81% | +10.11% |
| 9 | 2025-03-17 | 0.90% | 1.70% | +0.80% |
| 10 | 2025-02-18 | 0.78% | 0.90% | +0.12% |
| 11 | 2025-01-15 | 0.64% | 0.78% | +0.14% |
| 12 | 2024-12-17 | 0.69% | 0.64% | -0.05% |
| 13 | 2024-10-06 | 0.57% | 0.69% | +0.12% |
| 14 | 2024-03-14 | 0.36% | 0.57% | +0.21% |
| 15 | 2024-01-08 | 0.30% | 0.36% | +0.06% |
| 16 | 2023-03-07 | 1.21% | 0.30% | -0.91% |
| 17 | 2022-04-01 | 15.35% | 1.21% | -14.14% |
| 18 | 2022-02-04 | 5.60% | 15.35% | +9.75% |
| 19 | 2022-01-06 | 1.31% | 5.60% | +4.30% |
| 20 | 2021-06-13 | 5.60% | 1.31% | -4.30% |
| 21 | 2021-06-08 | 1.31% | 5.60% | +4.30% |
| 22 | 2021-06-04 | — | 1.31% | — |