EPSS score history for CVE-2021-23337, 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 | 2.40% | 22.41% | +20.01% |
| 2 | 2026-06-11 | 4.31% | 2.40% | -1.91% |
| 3 | 2026-05-22 | 3.29% | 4.31% | +1.03% |
| 4 | 2026-05-07 | 4.31% | 3.29% | -1.03% |
| 5 | 2026-04-08 | 0.52% | 4.31% | +3.80% |
| 6 | 2026-03-21 | 0.74% | 0.52% | -0.22% |
| 7 | 2026-03-04 | 0.28% | 0.74% | +0.46% |
| 8 | 2026-03-01 | 0.74% | 0.28% | -0.46% |
| 9 | 2026-02-04 | 0.28% | 0.74% | +0.46% |
| 10 | 2026-02-01 | 0.74% | 0.28% | -0.46% |
| 11 | 2026-01-04 | 0.28% | 0.74% | +0.46% |
| 12 | 2026-01-03 | 0.19% | 0.28% | +0.08% |
| 13 | 2026-01-01 | 0.52% | 0.19% | -0.32% |
| 14 | 2025-12-09 | 0.74% | 0.52% | -0.22% |
| 15 | 2025-12-04 | 0.19% | 0.74% | +0.55% |
| 16 | 2025-12-01 | 0.52% | 0.19% | -0.32% |
| 17 | 2025-11-30 | 0.74% | 0.52% | -0.22% |
| 18 | 2025-11-21 | 10.39% | 0.74% | -9.65% |
| 19 | 2025-11-18 | 0.74% | 10.39% | +9.65% |
| 20 | 2025-11-04 | 0.28% | 0.74% | +0.46% |
| 21 | 2025-11-01 | 0.74% | 0.28% | -0.46% |
| 22 | 2025-10-17 | 0.86% | 0.74% | -0.12% |
| 23 | 2025-10-04 | 0.32% | 0.86% | +0.54% |
| 24 | 2025-10-01 | 0.86% | 0.32% | -0.54% |
| 25 | 2025-09-16 | 0.55% | 0.86% | +0.31% |
| 26 | 2025-09-06 | 0.49% | 0.55% | +0.06% |
| 27 | 2025-09-04 | 0.19% | 0.49% | +0.30% |
| 28 | 2025-09-01 | 0.55% | 0.19% | -0.36% |
| 29 | 2025-08-20 | 0.49% | 0.55% | +0.06% |
| 30 | 2025-08-16 | 0.55% | 0.49% | -0.06% |
| 31 | 2025-08-12 | 0.49% | 0.55% | +0.06% |
| 32 | 2025-08-04 | 0.21% | 0.49% | +0.29% |
| 33 | 2025-08-01 | 0.55% | 0.21% | -0.34% |
| 34 | 2025-07-16 | 0.86% | 0.55% | -0.31% |
| 35 | 2025-07-04 | 0.32% | 0.86% | +0.54% |
| 36 | 2025-07-01 | 0.86% | 0.32% | -0.54% |
| 37 | 2025-06-04 | 0.32% | 0.86% | +0.54% |
| 38 | 2025-06-01 | 0.86% | 0.32% | -0.54% |
| 39 | 2025-05-18 | 0.55% | 0.86% | +0.31% |
| 40 | 2025-05-16 | 0.86% | 0.55% | -0.31% |
| 41 | 2025-05-04 | 0.32% | 0.86% | +0.54% |
| 42 | 2025-05-01 | 0.86% | 0.32% | -0.54% |
| 43 | 2025-03-30 | 0.98% | 0.86% | -0.12% |
| 44 | 2025-03-29 | 0.86% | 0.98% | +0.12% |
| 45 | 2025-03-17 | 0.83% | 0.86% | +0.03% |
| 46 | 2024-12-17 | 0.86% | 0.83% | -0.03% |
| 47 | 2024-08-25 | 0.61% | 0.86% | +0.25% |
| 48 | 2023-03-07 | 4.11% | 0.61% | -3.50% |
| 49 | 2022-09-14 | 2.96% | 4.11% | +1.14% |
| 50 | 2022-04-01 | 16.20% | 2.96% | -13.24% |
| 51 | 2022-02-04 | 9.45% | 16.20% | +6.75% |
| 52 | 2022-01-06 | 2.27% | 9.45% | +7.17% |
| 53 | 2021-10-21 | 2.07% | 2.27% | +0.20% |
| 54 | 2021-10-11 | 8.66% | 2.07% | -6.59% |
| 55 | 2021-10-05 | 2.07% | 8.66% | +6.59% |
| 56 | 2021-07-21 | 1.86% | 2.07% | +0.20% |
| 57 | 2021-04-14 | — | 1.86% | — |