EPSS score history for CVE-2021-34553, 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 | 1.12% | 3.67% | +2.55% |
| 2 | 2026-03-04 | 0.55% | 1.12% | +0.57% |
| 3 | 2026-03-01 | 1.12% | 0.55% | -0.57% |
| 4 | 2026-02-06 | 0.61% | 1.12% | +0.51% |
| 5 | 2026-02-04 | 0.30% | 0.61% | +0.31% |
| 6 | 2026-02-01 | 0.61% | 0.30% | -0.31% |
| 7 | 2026-01-04 | 0.30% | 0.61% | +0.31% |
| 8 | 2026-01-01 | 0.61% | 0.30% | -0.31% |
| 9 | 2025-12-04 | 0.30% | 0.61% | +0.31% |
| 10 | 2025-12-01 | 0.61% | 0.30% | -0.31% |
| 11 | 2025-11-21 | 0.18% | 0.61% | +0.44% |
| 12 | 2025-11-18 | 0.61% | 0.18% | -0.44% |
| 13 | 2025-11-04 | 0.30% | 0.61% | +0.31% |
| 14 | 2025-11-01 | 0.61% | 0.30% | -0.31% |
| 15 | 2025-10-05 | 0.21% | 0.61% | +0.40% |
| 16 | 2025-03-17 | 0.14% | 0.21% | +0.07% |
| 17 | 2023-03-07 | 1.05% | 0.14% | -0.92% |
| 18 | 2022-04-01 | 4.50% | 1.05% | -3.44% |
| 19 | 2022-02-04 | 2.30% | 4.50% | +2.20% |
| 20 | 2022-01-06 | 0.52% | 2.30% | +1.78% |
| 21 | 2021-06-19 | — | 0.52% | — |