EPSS score history for CVE-2021-21239, 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 | 0.68% | 1.18% | +0.50% |
| 2 | 2026-05-16 | 3.10% | 0.68% | -2.42% |
| 3 | 2026-04-22 | 2.86% | 3.10% | +0.24% |
| 4 | 2026-03-04 | 2.96% | 2.86% | -0.10% |
| 5 | 2026-03-01 | 2.86% | 2.96% | +0.10% |
| 6 | 2026-02-06 | 2.67% | 2.86% | +0.19% |
| 7 | 2026-02-04 | 2.62% | 2.67% | +0.05% |
| 8 | 2026-02-01 | 2.67% | 2.62% | -0.05% |
| 9 | 2026-01-04 | 2.62% | 2.67% | +0.05% |
| 10 | 2026-01-01 | 2.67% | 2.62% | -0.05% |
| 11 | 2025-12-30 | 2.06% | 2.67% | +0.61% |
| 12 | 2025-12-28 | 1.74% | 2.06% | +0.32% |
| 13 | 2025-12-27 | 2.06% | 1.74% | -0.32% |
| 14 | 2025-12-04 | 1.50% | 2.06% | +0.56% |
| 15 | 2025-12-01 | 2.06% | 1.50% | -0.56% |
| 16 | 2025-11-21 | 0.71% | 2.06% | +1.35% |
| 17 | 2025-11-18 | 2.06% | 0.71% | -1.35% |
| 18 | 2025-11-04 | 1.50% | 2.06% | +0.56% |
| 19 | 2025-11-01 | 2.06% | 1.50% | -0.56% |
| 20 | 2025-10-28 | 1.74% | 2.06% | +0.32% |
| 21 | 2025-10-27 | 2.06% | 1.74% | -0.32% |
| 22 | 2025-10-04 | 1.50% | 2.06% | +0.56% |
| 23 | 2025-10-01 | 1.89% | 1.50% | -0.39% |
| 24 | 2025-09-27 | 1.75% | 1.89% | +0.15% |
| 25 | 2025-09-18 | 1.60% | 1.75% | +0.14% |
| 26 | 2025-09-04 | 1.17% | 1.60% | +0.44% |
| 27 | 2025-09-01 | 1.56% | 1.17% | -0.40% |
| 28 | 2025-08-16 | 0.83% | 1.56% | +0.74% |
| 29 | 2025-08-04 | 0.48% | 0.83% | +0.34% |
| 30 | 2025-08-01 | 0.83% | 0.48% | -0.34% |
| 31 | 2025-07-17 | 1.23% | 0.83% | -0.41% |
| 32 | 2025-07-04 | 0.86% | 1.23% | +0.37% |
| 33 | 2025-07-01 | 1.23% | 0.86% | -0.37% |
| 34 | 2025-06-04 | 0.86% | 1.23% | +0.37% |
| 35 | 2025-06-01 | 1.23% | 0.86% | -0.37% |
| 36 | 2025-05-04 | 0.86% | 1.23% | +0.37% |
| 37 | 2025-05-01 | 1.23% | 0.86% | -0.37% |
| 38 | 2025-03-30 | 31.05% | 1.23% | -29.82% |
| 39 | 2025-03-29 | 1.23% | 31.05% | +29.82% |
| 40 | 2025-03-28 | 31.05% | 1.23% | -29.82% |
| 41 | 2025-03-27 | 7.04% | 31.05% | +24.01% |
| 42 | 2025-03-20 | 31.05% | 7.04% | -24.01% |
| 43 | 2025-03-19 | 7.04% | 31.05% | +24.01% |
| 44 | 2025-03-17 | 0.28% | 7.04% | +6.76% |
| 45 | 2024-12-28 | 0.20% | 0.28% | +0.08% |
| 46 | 2023-11-30 | 0.15% | 0.20% | +0.05% |
| 47 | 2023-03-07 | 1.11% | 0.15% | -0.96% |
| 48 | 2022-04-01 | 5.19% | 1.11% | -4.08% |
| 49 | 2022-02-04 | 6.21% | 5.19% | -1.02% |
| 50 | 2022-01-06 | 1.45% | 6.21% | +4.75% |
| 51 | 2021-04-14 | — | 1.45% | — |