EPSS score history for CVE-2021-3404, 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 | 2.36% | 1.93% | -0.43% |
| 2 | 2026-05-31 | 2.07% | 2.36% | +0.29% |
| 3 | 2026-05-24 | 2.70% | 2.07% | -0.64% |
| 4 | 2026-05-22 | 2.07% | 2.70% | +0.64% |
| 5 | 2025-11-21 | 1.17% | 2.07% | +0.89% |
| 6 | 2025-11-18 | 2.07% | 1.17% | -0.89% |
| 7 | 2025-06-21 | 3.05% | 2.07% | -0.99% |
| 8 | 2025-06-16 | 2.10% | 3.05% | +0.96% |
| 9 | 2025-03-30 | 4.86% | 2.10% | -2.77% |
| 10 | 2025-03-29 | 2.10% | 4.86% | +2.77% |
| 11 | 2025-03-17 | 0.19% | 2.10% | +1.90% |
| 12 | 2024-12-17 | 0.11% | 0.19% | +0.08% |
| 13 | 2023-03-07 | 1.61% | 0.11% | -1.50% |
| 14 | 2022-04-01 | 4.01% | 1.61% | -2.40% |
| 15 | 2022-02-04 | 5.88% | 4.01% | -1.88% |
| 16 | 2022-01-06 | 1.37% | 5.88% | +4.51% |
| 17 | 2021-04-14 | — | 1.37% | — |