EPSS score history for CVE-2021-2135, 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 | 77.89% | 8.37% | -69.52% |
| 2 | 2026-05-23 | 80.28% | 77.89% | -2.39% |
| 3 | 2026-05-21 | 81.30% | 80.28% | -1.02% |
| 4 | 2026-05-17 | 77.56% | 81.30% | +3.73% |
| 5 | 2026-05-07 | 77.08% | 77.56% | +0.48% |
| 6 | 2026-05-06 | 68.99% | 77.08% | +8.10% |
| 7 | 2026-04-28 | 71.39% | 68.99% | -2.41% |
| 8 | 2026-02-11 | 70.92% | 71.39% | +0.47% |
| 9 | 2026-02-05 | 71.82% | 70.92% | -0.90% |
| 10 | 2025-12-30 | 72.28% | 71.82% | -0.46% |
| 11 | 2025-12-25 | 70.01% | 72.28% | +2.27% |
| 12 | 2025-12-19 | 72.28% | 70.01% | -2.27% |
| 13 | 2025-12-17 | 70.01% | 72.28% | +2.27% |
| 14 | 2025-12-12 | 72.28% | 70.01% | -2.27% |
| 15 | 2025-12-10 | 67.58% | 72.28% | +4.70% |
| 16 | 2025-12-09 | 21.81% | 67.58% | +45.77% |
| 17 | 2025-11-21 | 30.83% | 21.81% | -9.02% |
| 18 | 2025-11-18 | 21.81% | 30.83% | +9.02% |
| 19 | 2025-10-21 | 22.62% | 21.81% | -0.81% |
| 20 | 2025-03-30 | 71.81% | 22.62% | -49.19% |
| 21 | 2025-03-29 | 22.62% | 71.81% | +49.19% |
| 22 | 2025-03-24 | 56.89% | 22.62% | -34.27% |
| 23 | 2025-03-23 | 22.62% | 56.89% | +34.27% |
| 24 | 2025-03-21 | 19.05% | 22.62% | +3.58% |
| 25 | 2025-03-17 | 5.85% | 19.05% | +13.19% |
| 26 | 2024-12-17 | 3.33% | 5.85% | +2.53% |
| 27 | 2024-01-06 | 2.96% | 3.33% | +0.37% |
| 28 | 2023-12-11 | 4.10% | 2.96% | -1.14% |
| 29 | 2023-11-27 | 5.60% | 4.10% | -1.50% |
| 30 | 2023-03-07 | 0.89% | 5.60% | +4.71% |
| 31 | 2022-04-01 | 41.81% | 0.89% | -40.93% |
| 32 | 2022-02-04 | 1.95% | 41.81% | +39.86% |
| 33 | 2022-01-06 | 0.44% | 1.95% | +1.51% |
| 34 | 2021-04-27 | — | 0.44% | — |