EPSS score history for CVE-2021-4377, 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 | 0.75% | 1.04% | +0.30% |
| 2 | 2026-06-14 | 0.77% | 0.75% | -0.03% |
| 3 | 2026-06-08 | 0.35% | 0.77% | +0.42% |
| 4 | 2026-04-03 | 0.26% | 0.35% | +0.09% |
| 5 | 2025-11-21 | 0.51% | 0.26% | -0.25% |
| 6 | 2025-11-18 | 0.26% | 0.51% | +0.25% |
| 7 | 2025-03-30 | 3.97% | 0.26% | -3.70% |
| 8 | 2025-03-29 | 0.26% | 3.97% | +3.70% |
| 9 | 2025-03-24 | 1.70% | 0.26% | -1.43% |
| 10 | 2025-03-23 | 0.26% | 1.70% | +1.43% |
| 11 | 2025-03-17 | 0.05% | 0.26% | +0.21% |
| 12 | 2023-06-13 | 0.04% | 0.05% | +0.01% |
| 13 | 2023-06-07 | — | 0.04% | — |