CVE-2013-1721 的 EPSS 分數歷史，展示風險變化與利用機率趨勢，支援漏洞優先級與安全分析。
| # | 日期 | 舊 EPSS 分數 | 新 EPSS 分數 | 變化（新 − 舊） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.89% | 4.36% | +3.47% |
| 2 | 2026-03-22 | 0.64% | 0.89% | +0.25% |
| 3 | 2025-07-09 | 0.40% | 0.64% | +0.24% |
| 4 | 2025-07-04 | 0.51% | 0.40% | -0.11% |
| 5 | 2025-05-04 | 0.44% | 0.51% | +0.07% |
| 6 | 2025-03-30 | 2.67% | 0.44% | -2.23% |
| 7 | 2025-03-29 | 0.44% | 2.67% | +2.23% |
| 8 | 2025-03-17 | 2.81% | 0.44% | -2.37% |
| 9 | 2024-04-05 | 2.35% | 2.81% | +0.46% |
| 10 | 2023-03-07 | 8.52% | 2.35% | -6.17% |
| 11 | 2022-02-04 | — | 8.52% | — |