EPSS score history for CVE-2023-21564, 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 | 6.37% | 0.89% | -5.49% |
| 2 | 2026-02-23 | 5.77% | 6.37% | +0.60% |
| 3 | 2026-02-21 | 5.87% | 5.77% | -0.10% |
| 4 | 2026-02-18 | 5.08% | 5.87% | +0.79% |
| 5 | 2026-02-16 | 1.35% | 5.08% | +3.73% |
| 6 | 2025-11-21 | 6.31% | 1.35% | -4.96% |
| 7 | 2025-11-18 | 1.35% | 6.31% | +4.96% |
| 8 | 2025-11-09 | 1.29% | 1.35% | +0.07% |
| 9 | 2025-09-25 | 1.53% | 1.29% | -0.24% |
| 10 | 2025-03-30 | 1.20% | 1.53% | +0.32% |
| 11 | 2025-03-29 | 1.53% | 1.20% | -0.32% |
| 12 | 2025-03-19 | 1.31% | 1.53% | +0.21% |
| 13 | 2025-03-17 | 0.07% | 1.31% | +1.25% |
| 14 | 2024-02-21 | 0.05% | 0.07% | +0.02% |
| 15 | 2023-09-10 | 0.06% | 0.05% | -0.02% |
| 16 | 2023-03-07 | 1.15% | 0.06% | -1.09% |
| 17 | 2023-02-23 | 0.89% | 1.15% | +0.26% |
| 18 | 2023-02-15 | — | 0.89% | — |