EPSS score history for CVE-2013-4221, 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 | 2.11% | 2.95% | +0.83% |
| 2 | 2026-01-30 | 1.45% | 2.11% | +0.66% |
| 3 | 2025-04-23 | 0.98% | 1.45% | +0.47% |
| 4 | 2025-03-30 | 2.24% | 0.98% | -1.26% |
| 5 | 2025-03-29 | 0.98% | 2.24% | +1.26% |
| 6 | 2025-03-19 | 1.14% | 0.98% | -0.16% |
| 7 | 2025-03-17 | 1.31% | 1.14% | -0.17% |
| 8 | 2024-12-17 | 1.68% | 1.31% | -0.37% |
| 9 | 2023-05-22 | 1.91% | 1.68% | -0.22% |
| 10 | 2023-03-07 | 1.32% | 1.91% | +0.59% |
| 11 | 2022-02-04 | — | 1.32% | — |