EPSS score history for CVE-2023-21521, 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 | 2026-06-07 | 0.41% | 0.56% | +0.15% |
| 2 | 2026-03-13 | 0.46% | 0.41% | -0.05% |
| 3 | 2025-07-01 | 0.41% | 0.46% | +0.05% |
| 4 | 2025-03-30 | 0.71% | 0.41% | -0.30% |
| 5 | 2025-03-29 | 0.40% | 0.71% | +0.31% |
| 6 | 2025-03-17 | 0.05% | 0.40% | +0.35% |
| 7 | 2023-09-16 | 0.04% | 0.05% | +0.01% |
| 8 | 2023-09-13 | — | 0.04% | — |