EPSS score history for CVE-2013-1821, 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 | 2026-07-04 | 6.62% | 6.67% | +0.05% |
| 2 | 2026-06-15 | 25.73% | 6.62% | -19.11% |
| 3 | 2026-05-31 | 26.22% | 25.73% | -0.49% |
| 4 | 2026-05-18 | 32.23% | 26.22% | -6.01% |
| 5 | 2026-05-13 | 25.73% | 32.23% | +6.50% |
| 6 | 2026-05-11 | 20.67% | 25.73% | +5.06% |
| 7 | 2025-12-28 | 21.04% | 20.67% | -0.37% |
| 8 | 2025-12-27 | 20.67% | 21.04% | +0.37% |
| 9 | 2025-11-30 | 19.83% | 20.67% | +0.84% |
| 10 | 2025-10-28 | 20.19% | 19.83% | -0.36% |
| 11 | 2025-10-27 | 19.83% | 20.19% | +0.36% |
| 12 | 2025-10-05 | 8.62% | 19.83% | +11.21% |
| 13 | 2025-10-01 | 7.57% | 8.62% | +1.05% |
| 14 | 2025-07-30 | 6.71% | 7.57% | +0.86% |
| 15 | 2025-07-13 | 8.52% | 6.71% | -1.81% |
| 16 | 2025-03-30 | 12.72% | 8.52% | -4.20% |
| 17 | 2025-03-29 | 8.52% | 12.72% | +4.20% |
| 18 | 2025-03-17 | 10.43% | 8.52% | -1.91% |
| 19 | 2025-01-06 | 14.04% | 10.43% | -3.61% |
| 20 | 2024-12-17 | 19.63% | 14.04% | -5.59% |
| 21 | 2024-05-03 | 23.63% | 19.63% | -4.00% |
| 22 | 2023-03-07 | 4.36% | 23.63% | +19.27% |
| 23 | 2022-02-04 | — | 4.36% | — |