EPSS score history for CVE-2021-21684, 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 | 0.60% | 1.20% | +0.60% |
| 2 | 2026-03-04 | 0.30% | 0.60% | +0.30% |
| 3 | 2026-03-01 | 0.60% | 0.30% | -0.30% |
| 4 | 2026-02-22 | 0.19% | 0.60% | +0.41% |
| 5 | 2026-02-04 | 0.10% | 0.19% | +0.09% |
| 6 | 2026-02-01 | 0.19% | 0.10% | -0.09% |
| 7 | 2026-01-04 | 0.10% | 0.19% | +0.09% |
| 8 | 2026-01-01 | 0.19% | 0.10% | -0.09% |
| 9 | 2025-12-04 | 0.10% | 0.19% | +0.09% |
| 10 | 2025-12-01 | 0.19% | 0.10% | -0.09% |
| 11 | 2025-11-21 | 0.36% | 0.19% | -0.17% |
| 12 | 2025-11-18 | 0.19% | 0.36% | +0.17% |
| 13 | 2025-11-04 | 0.10% | 0.19% | +0.09% |
| 14 | 2025-11-01 | 0.20% | 0.10% | -0.10% |
| 15 | 2025-10-04 | 0.13% | 0.20% | +0.07% |
| 16 | 2025-10-01 | 0.21% | 0.13% | -0.08% |
| 17 | 2025-09-04 | 0.31% | 0.21% | -0.10% |
| 18 | 2025-09-01 | 0.21% | 0.31% | +0.11% |
| 19 | 2025-08-09 | 0.37% | 0.21% | -0.16% |
| 20 | 2025-08-04 | 0.63% | 0.37% | -0.26% |
| 21 | 2025-08-01 | 0.38% | 0.63% | +0.24% |
| 22 | 2025-07-04 | 0.70% | 0.38% | -0.32% |
| 23 | 2025-07-01 | 0.38% | 0.70% | +0.32% |
| 24 | 2025-06-04 | 0.70% | 0.38% | -0.32% |
| 25 | 2025-06-01 | 0.38% | 0.70% | +0.32% |
| 26 | 2025-05-04 | 0.70% | 0.38% | -0.32% |
| 27 | 2025-05-01 | 0.38% | 0.70% | +0.32% |
| 28 | 2025-04-21 | 0.29% | 0.38% | +0.10% |
| 29 | 2025-03-30 | 0.67% | 0.29% | -0.38% |
| 30 | 2025-03-29 | 0.29% | 0.67% | +0.38% |
| 31 | 2025-03-17 | 0.07% | 0.29% | +0.22% |
| 32 | 2023-03-07 | 0.89% | 0.07% | -0.82% |
| 33 | 2022-04-01 | 2.56% | 0.89% | -1.68% |
| 34 | 2022-02-04 | 2.74% | 2.56% | -0.18% |
| 35 | 2022-01-06 | 0.62% | 2.74% | +2.12% |
| 36 | 2021-10-07 | — | 0.62% | — |