EPSS score history for CVE-2021-39320, 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 | 2026-06-25 | 2.21% | 2.33% | +0.13% |
| 2 | 2026-06-15 | 19.66% | 2.21% | -17.46% |
| 3 | 2026-03-04 | 17.14% | 19.66% | +2.52% |
| 4 | 2026-03-01 | 19.66% | 17.14% | -2.52% |
| 5 | 2026-02-04 | 17.14% | 19.66% | +2.52% |
| 6 | 2026-02-01 | 19.66% | 17.14% | -2.52% |
| 7 | 2026-01-04 | 17.14% | 19.66% | +2.52% |
| 8 | 2026-01-01 | 19.66% | 17.14% | -2.52% |
| 9 | 2025-12-04 | 17.14% | 19.66% | +2.52% |
| 10 | 2025-12-01 | 19.66% | 17.14% | -2.52% |
| 11 | 2025-11-21 | 7.57% | 19.66% | +12.10% |
| 12 | 2025-11-18 | 19.66% | 7.57% | -12.10% |
| 13 | 2025-11-08 | 13.94% | 19.66% | +5.73% |
| 14 | 2025-11-04 | 12.01% | 13.94% | +1.92% |
| 15 | 2025-11-01 | 13.94% | 12.01% | -1.92% |
| 16 | 2025-10-04 | 12.01% | 13.94% | +1.92% |
| 17 | 2025-10-01 | 13.94% | 12.01% | -1.92% |
| 18 | 2025-09-05 | 12.01% | 13.94% | +1.92% |
| 19 | 2025-09-01 | 13.94% | 12.01% | -1.92% |
| 20 | 2025-08-04 | 12.01% | 13.94% | +1.92% |
| 21 | 2025-08-01 | 13.94% | 12.01% | -1.92% |
| 22 | 2025-07-04 | 12.01% | 13.94% | +1.92% |
| 23 | 2025-07-01 | 13.94% | 12.01% | -1.92% |
| 24 | 2025-06-15 | 15.44% | 13.94% | -1.51% |
| 25 | 2025-06-04 | 13.35% | 15.44% | +2.09% |
| 26 | 2025-06-01 | 15.44% | 13.35% | -2.09% |
| 27 | 2025-05-15 | 12.20% | 15.44% | +3.25% |
| 28 | 2025-05-04 | 10.48% | 12.20% | +1.72% |
| 29 | 2025-05-01 | 12.20% | 10.48% | -1.72% |
| 30 | 2025-03-30 | 61.03% | 12.20% | -48.83% |
| 31 | 2025-03-29 | 12.20% | 61.03% | +48.83% |
| 32 | 2025-03-26 | 9.36% | 12.20% | +2.83% |
| 33 | 2025-03-24 | 12.20% | 9.36% | -2.83% |
| 34 | 2025-03-23 | 9.36% | 12.20% | +2.83% |
| 35 | 2025-03-19 | 9.32% | 9.36% | +0.04% |
| 36 | 2025-03-17 | 12.31% | 9.32% | -2.99% |
| 37 | 2024-12-17 | 0.24% | 12.31% | +12.06% |
| 38 | 2023-03-12 | 0.28% | 0.24% | -0.04% |
| 39 | 2023-03-07 | 0.89% | 0.28% | -0.60% |
| 40 | 2022-04-01 | 4.98% | 0.89% | -4.10% |
| 41 | 2022-02-04 | 2.74% | 4.98% | +2.24% |
| 42 | 2022-01-06 | 0.62% | 2.74% | +2.12% |
| 43 | 2021-09-02 | — | 0.62% | — |