EPSS score history for CVE-2021-3156, 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 | 92.55% | 99.30% | +6.75% |
| 2 | 2026-05-24 | 92.46% | 92.55% | +0.10% |
| 3 | 2026-04-22 | 92.20% | 92.46% | +0.26% |
| 4 | 2026-04-21 | 92.31% | 92.20% | -0.11% |
| 5 | 2026-04-08 | 92.48% | 92.31% | -0.17% |
| 6 | 2026-03-21 | 92.31% | 92.48% | +0.17% |
| 7 | 2026-03-05 | 92.48% | 92.31% | -0.17% |
| 8 | 2026-03-04 | 92.33% | 92.48% | +0.15% |
| 9 | 2026-03-01 | 92.46% | 92.33% | -0.12% |
| 10 | 2026-02-16 | 92.31% | 92.46% | +0.15% |
| 11 | 2026-02-06 | 92.46% | 92.31% | -0.15% |
| 12 | 2026-02-04 | 92.31% | 92.46% | +0.15% |
| 13 | 2026-02-03 | 92.48% | 92.31% | -0.17% |
| 14 | 2026-02-01 | 92.62% | 92.48% | -0.14% |
| 15 | 2026-01-27 | 92.81% | 92.62% | -0.19% |
| 16 | 2026-01-21 | 92.62% | 92.81% | +0.19% |
| 17 | 2026-01-18 | 92.67% | 92.62% | -0.05% |
| 18 | 2026-01-17 | 92.46% | 92.67% | +0.21% |
| 19 | 2026-01-04 | 92.31% | 92.46% | +0.15% |
| 20 | 2025-12-30 | 92.46% | 92.31% | -0.15% |
| 21 | 2025-12-27 | 92.39% | 92.46% | +0.07% |
| 22 | 2025-12-19 | 92.23% | 92.39% | +0.16% |
| 23 | 2025-12-18 | 92.67% | 92.23% | -0.43% |
| 24 | 2025-12-15 | 92.23% | 92.67% | +0.43% |
| 25 | 2025-12-04 | 92.07% | 92.23% | +0.17% |
| 26 | 2025-12-01 | 92.23% | 92.07% | -0.17% |
| 27 | 2025-11-21 | 94.12% | 92.23% | -1.89% |
| 28 | 2025-11-18 | 92.19% | 94.12% | +1.93% |
| 29 | 2025-11-04 | 92.02% | 92.19% | +0.17% |
| 30 | 2025-11-01 | 92.19% | 92.02% | -0.17% |
| 31 | 2025-10-26 | 92.32% | 92.19% | -0.13% |
| 32 | 2025-10-19 | 92.16% | 92.32% | +0.16% |
| 33 | 2025-10-17 | 92.35% | 92.16% | -0.19% |
| 34 | 2025-10-16 | 92.19% | 92.35% | +0.16% |
| 35 | 2025-10-15 | 92.26% | 92.19% | -0.07% |
| 36 | 2025-10-04 | 92.10% | 92.26% | +0.16% |
| 37 | 2025-10-01 | 92.26% | 92.10% | -0.16% |
| 38 | 2025-09-26 | 92.49% | 92.26% | -0.23% |
| 39 | 2025-09-05 | 92.34% | 92.49% | +0.15% |
| 40 | 2025-09-01 | 92.49% | 92.34% | -0.15% |
| 41 | 2025-08-25 | 92.19% | 92.49% | +0.30% |
| 42 | 2025-08-16 | 92.35% | 92.19% | -0.16% |
| 43 | 2025-08-09 | 92.19% | 92.35% | +0.16% |
| 44 | 2025-08-04 | 92.02% | 92.19% | +0.17% |
| 45 | 2025-08-01 | 92.19% | 92.02% | -0.17% |
| 46 | 2025-07-31 | 92.26% | 92.19% | -0.07% |
| 47 | 2025-07-25 | 92.44% | 92.26% | -0.18% |
| 48 | 2025-07-20 | 92.26% | 92.44% | +0.18% |
| 49 | 2025-07-17 | 92.44% | 92.26% | -0.18% |
| 50 | 2025-07-16 | 92.26% | 92.44% | +0.18% |
| 51 | 2025-07-10 | 92.19% | 92.26% | +0.07% |
| 52 | 2025-07-04 | 92.02% | 92.19% | +0.17% |
| 53 | 2025-07-01 | 92.16% | 92.02% | -0.14% |
| 54 | 2025-06-15 | 92.63% | 92.16% | -0.47% |
| 55 | 2025-06-11 | 92.35% | 92.63% | +0.28% |
| 56 | 2025-06-05 | 92.19% | 92.35% | +0.16% |
| 57 | 2025-06-04 | 92.02% | 92.19% | +0.17% |
| 58 | 2025-06-01 | 92.19% | 92.02% | -0.17% |
| 59 | 2025-05-31 | 92.35% | 92.19% | -0.16% |
| 60 | 2025-05-11 | 92.19% | 92.35% | +0.16% |
| 61 | 2025-05-04 | 92.02% | 92.19% | +0.17% |
| 62 | 2025-05-01 | 92.35% | 92.02% | -0.33% |
| 63 | 2025-04-24 | 92.19% | 92.35% | +0.16% |
| 64 | 2025-04-15 | 92.47% | 92.19% | -0.29% |
| 65 | 2025-04-13 | 92.33% | 92.47% | +0.15% |
| 66 | 2025-04-12 | 92.47% | 92.33% | -0.15% |
| 67 | 2025-04-09 | 92.33% | 92.47% | +0.15% |
| 68 | 2025-04-08 | 92.47% | 92.33% | -0.15% |
| 69 | 2025-04-07 | 92.32% | 92.47% | +0.15% |
| 70 | 2025-04-05 | 92.16% | 92.32% | +0.16% |
| 71 | 2025-04-04 | 92.32% | 92.16% | -0.16% |
| 72 | 2025-03-25 | 92.16% | 92.32% | +0.16% |
| 73 | 2025-03-24 | 92.33% | 92.16% | -0.16% |
| 74 | 2025-03-20 | 92.47% | 92.33% | -0.15% |
| 75 | 2025-03-19 | 92.33% | 92.47% | +0.15% |
| 76 | 2025-03-18 | 92.47% | 92.33% | -0.15% |
| 77 | 2025-03-17 | 96.36% | 92.47% | -3.89% |
| 78 | 2025-01-02 | 96.53% | 96.36% | -0.17% |
| 79 | 2024-12-17 | 96.33% | 96.53% | +0.20% |
| 80 | 2024-10-28 | 96.04% | 96.33% | +0.29% |
| 81 | 2024-09-25 | 95.81% | 96.04% | +0.23% |
| 82 | 2024-09-09 | 96.13% | 95.81% | -0.32% |
| 83 | 2024-08-05 | 95.99% | 96.13% | +0.15% |
| 84 | 2024-07-18 | 96.06% | 95.99% | -0.08% |
| 85 | 2024-07-10 | 96.95% | 96.06% | -0.89% |
| 86 | 2024-05-14 | 97.08% | 96.95% | -0.13% |
| 87 | 2024-01-15 | 97.02% | 97.08% | +0.07% |
| 88 | 2024-01-02 | 96.58% | 97.02% | +0.44% |
| 89 | 2023-11-08 | 96.79% | 96.58% | -0.22% |
| 90 | 2023-09-02 | 96.71% | 96.79% | +0.08% |
| 91 | 2023-07-15 | 96.83% | 96.71% | -0.12% |
| 92 | 2023-07-08 | 94.20% | 96.83% | +2.63% |
| 93 | 2023-05-08 | 94.38% | 94.20% | -0.19% |
| 94 | 2023-04-05 | 94.06% | 94.38% | +0.33% |
| 95 | 2023-03-22 | 94.28% | 94.06% | -0.22% |
| 96 | 2023-03-07 | 58.70% | 94.28% | +35.58% |
| 97 | 2022-02-04 | 67.18% | 58.70% | -8.48% |
| 98 | 2021-10-21 | 66.40% | 67.18% | +0.78% |
| 99 | 2021-09-16 | 21.10% | 66.40% | +45.30% |
| 100 | 2021-09-15 | 20.50% | 21.10% | +0.60% |
| 101 | 2021-09-14 | 65.57% | 20.50% | -45.08% |
| 102 | 2021-07-21 | 64.71% | 65.57% | +0.86% |
| 103 | 2021-04-14 | — | 64.71% | — |