EPSS score history for CVE-2021-21913, 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 | 0.69% | 2.12% | +1.43% |
| 2 | 2025-11-21 | 1.80% | 0.69% | -1.11% |
| 3 | 2025-11-18 | 0.69% | 1.80% | +1.11% |
| 4 | 2025-03-30 | 1.97% | 0.69% | -1.28% |
| 5 | 2025-03-29 | 0.66% | 1.97% | +1.31% |
| 6 | 2025-03-17 | 0.21% | 0.66% | +0.45% |
| 7 | 2024-12-17 | 0.29% | 0.21% | -0.07% |
| 8 | 2023-04-16 | 0.24% | 0.29% | +0.05% |
| 9 | 2023-03-07 | 1.09% | 0.24% | -0.85% |
| 10 | 2022-04-01 | 15.36% | 1.09% | -14.28% |
| 11 | 2022-02-04 | 3.20% | 15.36% | +12.17% |
| 12 | 2022-01-06 | 0.73% | 3.20% | +2.47% |
| 13 | 2021-10-11 | 3.20% | 0.73% | -2.47% |
| 14 | 2021-10-05 | 0.73% | 3.20% | +2.47% |
| 15 | 2021-09-24 | — | 0.73% | — |