EPSS score history for CVE-2021-21206, 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 | 17.53% | 9.40% | -8.13% |
| 2 | 2026-05-27 | 19.55% | 17.53% | -2.02% |
| 3 | 2026-05-26 | 21.91% | 19.55% | -2.35% |
| 4 | 2025-12-27 | 12.44% | 21.91% | +9.46% |
| 5 | 2025-12-16 | 14.14% | 12.44% | -1.69% |
| 6 | 2025-12-02 | 12.93% | 14.14% | +1.21% |
| 7 | 2025-11-21 | 10.55% | 12.93% | +2.37% |
| 8 | 2025-11-18 | 12.93% | 10.55% | -2.37% |
| 9 | 2025-11-12 | 14.28% | 12.93% | -1.35% |
| 10 | 2025-10-25 | 14.47% | 14.28% | -0.19% |
| 11 | 2025-10-22 | 12.80% | 14.47% | +1.67% |
| 12 | 2025-09-24 | 8.43% | 12.80% | +4.36% |
| 13 | 2025-08-21 | 12.80% | 8.43% | -4.36% |
| 14 | 2025-07-01 | 22.66% | 12.80% | -9.86% |
| 15 | 2025-05-12 | 25.24% | 22.66% | -2.58% |
| 16 | 2025-03-30 | 44.17% | 25.24% | -18.93% |
| 17 | 2025-03-29 | 25.24% | 44.17% | +18.93% |
| 18 | 2025-03-17 | 3.48% | 25.24% | +21.76% |
| 19 | 2025-02-28 | 4.85% | 3.48% | -1.37% |
| 20 | 2025-02-13 | 4.10% | 4.85% | +0.75% |
| 21 | 2024-12-17 | 3.99% | 4.10% | +0.11% |
| 22 | 2024-09-13 | 4.55% | 3.99% | -0.56% |
| 23 | 2024-07-28 | 6.31% | 4.55% | -1.75% |
| 24 | 2024-07-26 | 7.82% | 6.31% | -1.51% |
| 25 | 2024-03-04 | 7.09% | 7.82% | +0.74% |
| 26 | 2024-02-05 | 6.26% | 7.09% | +0.82% |
| 27 | 2024-01-10 | 5.58% | 6.26% | +0.68% |
| 28 | 2023-12-01 | 4.08% | 5.58% | +1.50% |
| 29 | 2023-11-08 | 1.73% | 4.08% | +2.35% |
| 30 | 2023-11-05 | 1.23% | 1.73% | +0.50% |
| 31 | 2023-10-23 | 1.13% | 1.23% | +0.10% |
| 32 | 2023-10-09 | 0.88% | 1.13% | +0.25% |
| 33 | 2023-09-12 | 0.80% | 0.88% | +0.08% |
| 34 | 2023-03-07 | 1.32% | 0.80% | -0.52% |
| 35 | 2022-04-01 | 22.92% | 1.32% | -21.60% |
| 36 | 2022-02-04 | 3.31% | 22.92% | +19.61% |
| 37 | 2022-01-06 | 0.76% | 3.31% | +2.55% |
| 38 | 2021-05-15 | 0.65% | 0.76% | +0.11% |
| 39 | 2021-05-12 | 0.43% | 0.65% | +0.22% |
| 40 | 2021-05-01 | 0.32% | 0.43% | +0.11% |
| 41 | 2021-04-29 | 0.78% | 0.32% | -0.46% |
| 42 | 2021-04-27 | — | 0.78% | — |