EPSS score history for CVE-2021-34523, 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 | 94.00% | 99.99% | +5.99% |
| 2 | 2026-06-05 | 93.95% | 94.00% | +0.05% |
| 3 | 2026-05-23 | 94.04% | 93.95% | -0.09% |
| 4 | 2026-05-07 | 94.06% | 94.04% | -0.01% |
| 5 | 2026-04-17 | 94.00% | 94.06% | +0.06% |
| 6 | 2026-04-03 | 93.95% | 94.00% | +0.05% |
| 7 | 2026-03-21 | 94.00% | 93.95% | -0.05% |
| 8 | 2026-02-03 | 93.95% | 94.00% | +0.05% |
| 9 | 2026-01-21 | 94.00% | 93.95% | -0.05% |
| 10 | 2026-01-13 | 94.06% | 94.00% | -0.06% |
| 11 | 2025-12-28 | 94.03% | 94.06% | +0.03% |
| 12 | 2025-12-27 | 94.06% | 94.03% | -0.03% |
| 13 | 2025-12-19 | 94.00% | 94.06% | +0.06% |
| 14 | 2025-12-10 | 93.95% | 94.00% | +0.05% |
| 15 | 2025-12-03 | 94.01% | 93.95% | -0.06% |
| 16 | 2025-12-01 | 93.95% | 94.01% | +0.06% |
| 17 | 2025-11-27 | 94.00% | 93.95% | -0.05% |
| 18 | 2025-11-21 | 93.08% | 94.00% | +0.92% |
| 19 | 2025-11-18 | 94.01% | 93.08% | -0.93% |
| 20 | 2025-11-13 | 94.06% | 94.01% | -0.05% |
| 21 | 2025-10-30 | 94.05% | 94.06% | +0.01% |
| 22 | 2025-09-14 | 94.07% | 94.05% | -0.02% |
| 23 | 2025-08-18 | 94.01% | 94.07% | +0.06% |
| 24 | 2025-08-14 | 94.07% | 94.01% | -0.06% |
| 25 | 2025-08-06 | 94.05% | 94.07% | +0.02% |
| 26 | 2025-07-23 | 94.13% | 94.05% | -0.09% |
| 27 | 2025-07-19 | 94.17% | 94.13% | -0.04% |
| 28 | 2025-07-18 | 94.15% | 94.17% | +0.02% |
| 29 | 2025-07-15 | 93.97% | 94.15% | +0.18% |
| 30 | 2025-07-02 | 94.15% | 93.97% | -0.18% |
| 31 | 2025-05-17 | 94.18% | 94.15% | -0.03% |
| 32 | 2025-05-11 | 94.04% | 94.18% | +0.14% |
| 33 | 2025-04-30 | 93.92% | 94.04% | +0.12% |
| 34 | 2025-04-17 | 93.96% | 93.92% | -0.04% |
| 35 | 2025-04-16 | 93.91% | 93.96% | +0.05% |
| 36 | 2025-04-15 | 93.98% | 93.91% | -0.07% |
| 37 | 2025-04-11 | 93.91% | 93.98% | +0.08% |
| 38 | 2025-04-04 | 93.85% | 93.91% | +0.06% |
| 39 | 2025-03-22 | 93.92% | 93.85% | -0.08% |
| 40 | 2025-03-19 | 93.96% | 93.92% | -0.03% |
| 41 | 2025-03-17 | 95.98% | 93.96% | -2.02% |
| 42 | 2025-03-13 | 96.11% | 95.98% | -0.13% |
| 43 | 2025-02-25 | 95.88% | 96.11% | +0.23% |
| 44 | 2024-12-17 | 84.81% | 95.88% | +11.07% |
| 45 | 2024-11-16 | 82.09% | 84.81% | +2.72% |
| 46 | 2024-10-30 | 80.88% | 82.09% | +1.21% |
| 47 | 2024-10-15 | 78.05% | 80.88% | +2.83% |
| 48 | 2024-09-30 | 80.97% | 78.05% | -2.92% |
| 49 | 2024-08-30 | 84.48% | 80.97% | -3.52% |
| 50 | 2024-08-16 | 80.97% | 84.48% | +3.52% |
| 51 | 2024-07-31 | 85.86% | 80.97% | -4.89% |
| 52 | 2024-07-17 | 82.01% | 85.86% | +3.85% |
| 53 | 2024-06-19 | 86.45% | 82.01% | -4.44% |
| 54 | 2024-06-05 | 80.90% | 86.45% | +5.54% |
| 55 | 2024-05-22 | 84.43% | 80.90% | -3.53% |
| 56 | 2024-05-09 | 75.75% | 84.43% | +8.68% |
| 57 | 2024-04-24 | 78.22% | 75.75% | -2.47% |
| 58 | 2024-03-29 | 72.23% | 78.22% | +5.99% |
| 59 | 2024-03-03 | 69.32% | 72.23% | +2.92% |
| 60 | 2024-02-18 | 67.44% | 69.32% | +1.87% |
| 61 | 2024-02-07 | 60.76% | 67.44% | +6.69% |
| 62 | 2024-01-23 | 54.15% | 60.76% | +6.61% |
| 63 | 2023-12-29 | 97.21% | 54.15% | -43.06% |
| 64 | 2023-12-14 | 97.28% | 97.21% | -0.07% |
| 65 | 2023-09-22 | 97.37% | 97.28% | -0.09% |
| 66 | 2023-07-28 | 97.32% | 97.37% | +0.04% |
| 67 | 2023-07-08 | 97.51% | 97.32% | -0.18% |
| 68 | 2023-03-07 | 16.78% | 97.51% | +80.72% |
| 69 | 2022-02-04 | 76.09% | 16.78% | -59.30% |
| 70 | 2021-09-25 | 41.49% | 76.09% | +34.60% |
| 71 | 2021-09-16 | 8.76% | 41.49% | +32.73% |
| 72 | 2021-09-14 | 41.49% | 8.76% | -32.73% |
| 73 | 2021-08-21 | 34.67% | 41.49% | +6.82% |
| 74 | 2021-08-20 | 6.70% | 34.67% | +27.97% |
| 75 | 2021-07-23 | 0.62% | 6.70% | +6.08% |
| 76 | 2021-07-20 | 0.42% | 0.62% | +0.21% |
| 77 | 2021-07-15 | — | 0.42% | — |