EPSS score history for CVE-2021-30663, 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 | 2026-07-02 | 3.47% | 3.69% | +0.22% |
| 2 | 2026-06-15 | 0.17% | 3.47% | +3.30% |
| 3 | 2026-06-14 | 0.88% | 0.17% | -0.71% |
| 4 | 2026-06-13 | 0.96% | 0.88% | -0.08% |
| 5 | 2026-05-22 | 1.20% | 0.96% | -0.24% |
| 6 | 2026-05-11 | 0.68% | 1.20% | +0.52% |
| 7 | 2026-04-07 | 1.20% | 0.68% | -0.52% |
| 8 | 2026-03-25 | 1.03% | 1.20% | +0.17% |
| 9 | 2026-03-21 | 1.20% | 1.03% | -0.17% |
| 10 | 2026-03-17 | 1.11% | 1.20% | +0.09% |
| 11 | 2025-12-03 | 0.36% | 1.11% | +0.74% |
| 12 | 2025-11-21 | 0.13% | 0.36% | +0.24% |
| 13 | 2025-11-18 | 0.43% | 0.13% | -0.30% |
| 14 | 2025-10-24 | 0.61% | 0.43% | -0.19% |
| 15 | 2025-10-22 | 0.28% | 0.61% | +0.33% |
| 16 | 2025-08-31 | 0.16% | 0.28% | +0.12% |
| 17 | 2025-08-27 | 0.12% | 0.16% | +0.04% |
| 18 | 2025-07-28 | 0.17% | 0.12% | -0.05% |
| 19 | 2025-03-30 | 0.53% | 0.17% | -0.36% |
| 20 | 2025-03-29 | 0.17% | 0.53% | +0.36% |
| 21 | 2025-03-17 | 0.46% | 0.17% | -0.29% |
| 22 | 2024-12-17 | 0.36% | 0.46% | +0.11% |
| 23 | 2024-03-19 | 0.26% | 0.36% | +0.10% |
| 24 | 2023-04-16 | 0.22% | 0.26% | +0.04% |
| 25 | 2023-04-01 | 0.25% | 0.22% | -0.03% |
| 26 | 2023-03-07 | 1.84% | 0.25% | -1.59% |
| 27 | 2022-04-01 | 18.17% | 1.84% | -16.32% |
| 28 | 2022-02-04 | 1.53% | 18.17% | +16.64% |
| 29 | 2022-01-06 | 0.34% | 1.53% | +1.18% |
| 30 | 2021-09-17 | 2.31% | 0.34% | -1.97% |
| 31 | 2021-09-09 | — | 2.31% | — |