EPSS score history for CVE-2021-33621, 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 | 1.10% | 2.29% | +1.19% |
| 2 | 2026-06-08 | 1.01% | 1.10% | +0.09% |
| 3 | 2026-06-04 | 1.37% | 1.01% | -0.36% |
| 4 | 2026-05-14 | 1.30% | 1.37% | +0.07% |
| 5 | 2026-04-19 | 1.41% | 1.30% | -0.11% |
| 6 | 2026-04-18 | 1.56% | 1.41% | -0.15% |
| 7 | 2026-04-16 | 1.41% | 1.56% | +0.15% |
| 8 | 2026-03-04 | 1.01% | 1.41% | +0.41% |
| 9 | 2026-03-01 | 1.41% | 1.01% | -0.41% |
| 10 | 2026-02-04 | 1.01% | 1.41% | +0.41% |
| 11 | 2026-02-01 | 1.41% | 1.01% | -0.41% |
| 12 | 2026-01-28 | 1.65% | 1.41% | -0.24% |
| 13 | 2026-01-15 | 1.52% | 1.65% | +0.13% |
| 14 | 2026-01-04 | 0.93% | 1.52% | +0.59% |
| 15 | 2026-01-01 | 1.52% | 0.93% | -0.59% |
| 16 | 2025-12-28 | 1.23% | 1.52% | +0.29% |
| 17 | 2025-12-27 | 1.52% | 1.23% | -0.29% |
| 18 | 2025-12-20 | 1.69% | 1.52% | -0.17% |
| 19 | 2025-12-06 | 1.96% | 1.69% | -0.28% |
| 20 | 2025-12-04 | 1.20% | 1.96% | +0.76% |
| 21 | 2025-12-01 | 1.96% | 1.20% | -0.76% |
| 22 | 2025-11-26 | 1.70% | 1.96% | +0.26% |
| 23 | 2025-11-21 | 4.78% | 1.70% | -3.08% |
| 24 | 2025-11-18 | 1.71% | 4.78% | +3.08% |
| 25 | 2025-11-05 | 2.30% | 1.71% | -0.59% |
| 26 | 2025-11-04 | 0.98% | 2.30% | +1.32% |
| 27 | 2025-11-01 | 2.30% | 0.98% | -1.32% |
| 28 | 2025-10-28 | 1.87% | 2.30% | +0.43% |
| 29 | 2025-10-27 | 2.30% | 1.87% | -0.43% |
| 30 | 2025-10-11 | 2.49% | 2.30% | -0.19% |
| 31 | 2025-10-04 | 1.06% | 2.49% | +1.43% |
| 32 | 2025-10-01 | 2.03% | 1.06% | -0.96% |
| 33 | 2025-09-04 | 0.85% | 2.03% | +1.17% |
| 34 | 2025-09-01 | 2.03% | 0.85% | -1.17% |
| 35 | 2025-08-04 | 0.85% | 2.03% | +1.17% |
| 36 | 2025-08-01 | 2.03% | 0.85% | -1.17% |
| 37 | 2025-07-30 | 2.40% | 2.03% | -0.37% |
| 38 | 2025-07-04 | 1.01% | 2.40% | +1.39% |
| 39 | 2025-07-01 | 2.40% | 1.01% | -1.39% |
| 40 | 2025-06-04 | 1.01% | 2.40% | +1.39% |
| 41 | 2025-06-01 | 2.40% | 1.01% | -1.39% |
| 42 | 2025-05-29 | 2.46% | 2.40% | -0.06% |
| 43 | 2025-05-22 | 2.27% | 2.46% | +0.19% |
| 44 | 2025-05-15 | 2.21% | 2.27% | +0.06% |
| 45 | 2025-05-14 | 2.27% | 2.21% | -0.06% |
| 46 | 2025-05-04 | 0.96% | 2.27% | +1.31% |
| 47 | 2025-05-01 | 2.21% | 0.96% | -1.26% |
| 48 | 2025-04-28 | 2.00% | 2.21% | +0.21% |
| 49 | 2025-04-18 | 2.06% | 2.00% | -0.05% |
| 50 | 2025-04-15 | 2.00% | 2.06% | +0.05% |
| 51 | 2025-03-30 | 7.35% | 2.00% | -5.35% |
| 52 | 2025-03-29 | 2.00% | 7.35% | +5.35% |
| 53 | 2025-03-17 | 0.84% | 2.00% | +1.16% |
| 54 | 2025-02-09 | 0.65% | 0.84% | +0.19% |
| 55 | 2024-12-17 | 0.52% | 0.65% | +0.13% |
| 56 | 2024-07-09 | 0.35% | 0.52% | +0.17% |
| 57 | 2024-06-10 | 0.34% | 0.35% | +0.02% |
| 58 | 2024-03-21 | 0.18% | 0.34% | +0.16% |
| 59 | 2023-11-25 | 0.06% | 0.18% | +0.12% |
| 60 | 2023-03-07 | 0.89% | 0.06% | -0.82% |
| 61 | 2022-11-22 | — | 0.89% | — |