EPSS score history for CVE-2021-42839, 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 | 1.57% | 2.35% | +0.78% |
| 2 | 2025-03-30 | 2.92% | 1.57% | -1.36% |
| 3 | 2025-03-29 | 1.57% | 2.92% | +1.36% |
| 4 | 2025-03-17 | 4.98% | 1.57% | -3.42% |
| 5 | 2024-12-17 | 8.44% | 4.98% | -3.45% |
| 6 | 2024-04-29 | 8.17% | 8.44% | +0.26% |
| 7 | 2024-02-07 | 7.85% | 8.17% | +0.32% |
| 8 | 2023-10-31 | 7.54% | 7.85% | +0.32% |
| 9 | 2023-09-04 | 5.46% | 7.54% | +2.07% |
| 10 | 2023-08-20 | 3.93% | 5.46% | +1.53% |
| 11 | 2023-08-05 | 0.35% | 3.93% | +3.58% |
| 12 | 2023-07-21 | 0.35% | 0.35% | +0.01% |
| 13 | 2023-06-23 | 0.21% | 0.35% | +0.13% |
| 14 | 2023-03-07 | 1.42% | 0.21% | -1.21% |
| 15 | 2022-04-01 | 15.36% | 1.42% | -13.94% |
| 16 | 2022-02-04 | 4.23% | 15.36% | +11.13% |
| 17 | 2022-01-06 | 0.97% | 4.23% | +3.25% |
| 18 | 2021-11-16 | — | 0.97% | — |