EPSS score history for CVE-2021-39155, 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 | 2026-06-17 | 1.12% | 1.15% | +0.04% |
| 2 | 2026-06-15 | 0.21% | 1.12% | +0.91% |
| 3 | 2025-11-21 | 0.28% | 0.21% | -0.07% |
| 4 | 2025-11-18 | 0.21% | 0.28% | +0.07% |
| 5 | 2025-07-26 | 0.13% | 0.21% | +0.08% |
| 6 | 2025-03-31 | 0.21% | 0.13% | -0.08% |
| 7 | 2025-03-30 | 0.44% | 0.21% | -0.23% |
| 8 | 2025-03-29 | 0.21% | 0.44% | +0.23% |
| 9 | 2025-03-19 | 0.12% | 0.21% | +0.09% |
| 10 | 2023-03-07 | 0.89% | 0.12% | -0.76% |
| 11 | 2022-04-01 | 9.03% | 0.89% | -8.14% |
| 12 | 2022-02-04 | 2.74% | 9.03% | +6.29% |
| 13 | 2022-01-06 | 0.62% | 2.74% | +2.12% |
| 14 | 2021-08-25 | — | 0.62% | — |