EPSS score history for CVE-2021-34993, 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 | 0.82% | 5.42% | +4.60% |
| 2 | 2026-05-08 | 0.46% | 0.82% | +0.36% |
| 3 | 2026-02-03 | 0.58% | 0.46% | -0.12% |
| 4 | 2025-11-21 | 11.54% | 0.58% | -10.95% |
| 5 | 2025-11-18 | 0.58% | 11.54% | +10.95% |
| 6 | 2025-10-08 | 0.91% | 0.58% | -0.32% |
| 7 | 2025-07-18 | 0.70% | 0.91% | +0.20% |
| 8 | 2025-03-30 | 2.03% | 0.70% | -1.33% |
| 9 | 2025-03-29 | 0.70% | 2.03% | +1.33% |
| 10 | 2025-03-28 | 2.03% | 0.70% | -1.33% |
| 11 | 2025-03-27 | 0.70% | 2.03% | +1.33% |
| 12 | 2025-03-20 | 2.03% | 0.70% | -1.33% |
| 13 | 2025-03-19 | 0.70% | 2.03% | +1.33% |
| 14 | 2025-03-17 | 4.61% | 0.70% | -3.91% |
| 15 | 2024-12-17 | 9.97% | 4.61% | -5.36% |
| 16 | 2024-12-05 | 13.07% | 9.97% | -3.10% |
| 17 | 2024-11-21 | 10.24% | 13.07% | +2.83% |
| 18 | 2024-10-24 | 9.97% | 10.24% | +0.26% |
| 19 | 2024-10-12 | 7.32% | 9.97% | +2.65% |
| 20 | 2024-09-28 | 8.88% | 7.32% | -1.56% |
| 21 | 2024-09-15 | 9.26% | 8.88% | -0.38% |
| 22 | 2024-08-19 | 16.05% | 9.26% | -6.80% |
| 23 | 2024-06-14 | 12.05% | 16.05% | +4.01% |
| 24 | 2024-04-06 | 13.49% | 12.05% | -1.45% |
| 25 | 2023-12-29 | 20.72% | 13.49% | -7.22% |
| 26 | 2023-11-16 | 33.50% | 20.72% | -12.78% |
| 27 | 2023-10-18 | 62.39% | 33.50% | -28.89% |
| 28 | 2023-08-21 | 58.23% | 62.39% | +4.16% |
| 29 | 2023-08-06 | 54.72% | 58.23% | +3.51% |
| 30 | 2023-06-26 | 53.43% | 54.72% | +1.29% |
| 31 | 2023-03-07 | 1.05% | 53.43% | +52.37% |
| 32 | 2022-02-04 | 0.52% | 1.05% | +0.53% |
| 33 | 2022-01-14 | — | 0.52% | — |