EPSS score history for CVE-2021-21690, 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 | 0.50% | 2.45% | +1.95% |
| 2 | 2025-12-28 | 0.86% | 0.50% | -0.36% |
| 3 | 2025-12-27 | 0.50% | 0.86% | +0.36% |
| 4 | 2025-11-21 | 0.56% | 0.50% | -0.06% |
| 5 | 2025-11-18 | 0.50% | 0.56% | +0.06% |
| 6 | 2025-11-15 | 0.37% | 0.50% | +0.13% |
| 7 | 2025-11-04 | 0.45% | 0.37% | -0.08% |
| 8 | 2025-11-01 | 0.37% | 0.45% | +0.08% |
| 9 | 2025-10-28 | 0.64% | 0.37% | -0.27% |
| 10 | 2025-10-27 | 0.37% | 0.64% | +0.27% |
| 11 | 2025-10-04 | 0.45% | 0.37% | -0.08% |
| 12 | 2025-10-01 | 0.65% | 0.45% | -0.20% |
| 13 | 2025-07-30 | 0.37% | 0.65% | +0.28% |
| 14 | 2025-07-04 | 0.45% | 0.37% | -0.08% |
| 15 | 2025-07-01 | 0.37% | 0.45% | +0.08% |
| 16 | 2025-06-04 | 0.45% | 0.37% | -0.08% |
| 17 | 2025-06-01 | 0.37% | 0.45% | +0.08% |
| 18 | 2025-05-21 | 0.47% | 0.37% | -0.10% |
| 19 | 2025-04-30 | 0.58% | 0.47% | -0.11% |
| 20 | 2025-03-30 | 1.52% | 0.58% | -0.94% |
| 21 | 2025-03-29 | 0.58% | 1.52% | +0.94% |
| 22 | 2025-03-17 | 0.38% | 0.58% | +0.19% |
| 23 | 2024-08-03 | 0.27% | 0.38% | +0.11% |
| 24 | 2024-07-20 | 0.17% | 0.27% | +0.11% |
| 25 | 2023-03-07 | 0.89% | 0.17% | -0.72% |
| 26 | 2022-04-01 | 9.03% | 0.89% | -8.14% |
| 27 | 2022-02-04 | 1.84% | 9.03% | +7.19% |
| 28 | 2022-01-06 | 0.42% | 1.84% | +1.42% |
| 29 | 2021-11-05 | — | 0.42% | — |