EPSS score history for CVE-2021-22947, 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 | 0.25% | 2.80% | +2.55% |
| 2 | 2026-03-04 | 0.64% | 0.25% | -0.39% |
| 3 | 2026-03-01 | 0.25% | 0.64% | +0.39% |
| 4 | 2026-02-20 | 0.19% | 0.25% | +0.07% |
| 5 | 2026-02-04 | 0.48% | 0.19% | -0.29% |
| 6 | 2026-02-01 | 0.19% | 0.48% | +0.29% |
| 7 | 2026-01-04 | 0.48% | 0.19% | -0.29% |
| 8 | 2026-01-01 | 0.19% | 0.48% | +0.29% |
| 9 | 2025-12-04 | 0.48% | 0.19% | -0.29% |
| 10 | 2025-12-01 | 0.19% | 0.48% | +0.29% |
| 11 | 2025-11-21 | 0.67% | 0.19% | -0.48% |
| 12 | 2025-11-18 | 0.19% | 0.67% | +0.48% |
| 13 | 2025-11-04 | 0.48% | 0.19% | -0.29% |
| 14 | 2025-11-01 | 0.19% | 0.48% | +0.29% |
| 15 | 2025-10-04 | 0.48% | 0.19% | -0.29% |
| 16 | 2025-10-01 | 0.16% | 0.48% | +0.32% |
| 17 | 2025-09-10 | 0.09% | 0.16% | +0.07% |
| 18 | 2025-09-04 | 0.22% | 0.09% | -0.13% |
| 19 | 2025-09-01 | 0.12% | 0.22% | +0.10% |
| 20 | 2025-08-04 | 0.30% | 0.12% | -0.18% |
| 21 | 2025-08-01 | 0.09% | 0.30% | +0.20% |
| 22 | 2025-07-04 | 0.32% | 0.09% | -0.23% |
| 23 | 2025-07-01 | 0.09% | 0.32% | +0.23% |
| 24 | 2025-06-04 | 0.32% | 0.09% | -0.23% |
| 25 | 2025-06-01 | 0.09% | 0.32% | +0.23% |
| 26 | 2025-05-05 | 0.32% | 0.09% | -0.23% |
| 27 | 2025-05-01 | 0.09% | 0.32% | +0.23% |
| 28 | 2025-03-30 | 0.18% | 0.09% | -0.10% |
| 29 | 2025-03-29 | 0.09% | 0.18% | +0.09% |
| 30 | 2025-03-24 | 0.31% | 0.09% | -0.22% |
| 31 | 2025-03-23 | 0.09% | 0.31% | +0.22% |
| 32 | 2025-03-20 | 0.31% | 0.09% | -0.22% |
| 33 | 2025-03-19 | 0.09% | 0.31% | +0.22% |
| 34 | 2023-03-07 | 2.69% | 0.09% | -2.60% |
| 35 | 2022-08-02 | 1.54% | 2.69% | +1.15% |
| 36 | 2022-04-01 | 16.31% | 1.54% | -14.77% |
| 37 | 2022-03-15 | 19.17% | 16.31% | -2.87% |
| 38 | 2022-03-09 | 14.86% | 19.17% | +4.31% |
| 39 | 2022-02-08 | 8.93% | 14.86% | +5.93% |
| 40 | 2022-02-04 | 6.21% | 8.93% | +2.73% |
| 41 | 2022-01-06 | 1.45% | 6.21% | +4.75% |
| 42 | 2021-11-03 | 1.25% | 1.45% | +0.21% |
| 43 | 2021-10-30 | 1.04% | 1.25% | +0.21% |
| 44 | 2021-10-21 | 0.83% | 1.04% | +0.21% |
| 45 | 2021-10-02 | 0.62% | 0.83% | +0.21% |
| 46 | 2021-10-01 | 0.42% | 0.62% | +0.21% |
| 47 | 2021-09-30 | — | 0.42% | — |