EPSS score history for CVE-2021-34555, 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 | 0.48% | 2.75% | +2.26% |
| 2 | 2026-05-26 | 0.38% | 0.48% | +0.11% |
| 3 | 2026-01-07 | 0.48% | 0.38% | -0.10% |
| 4 | 2025-11-21 | 0.76% | 0.48% | -0.27% |
| 5 | 2025-11-18 | 0.48% | 0.76% | +0.27% |
| 6 | 2025-10-05 | 0.68% | 0.48% | -0.20% |
| 7 | 2025-03-30 | 1.64% | 0.68% | -0.96% |
| 8 | 2025-03-29 | 0.68% | 1.64% | +0.96% |
| 9 | 2025-03-17 | 1.45% | 0.68% | -0.77% |
| 10 | 2024-12-17 | 1.00% | 1.45% | +0.45% |
| 11 | 2024-02-24 | 0.88% | 1.00% | +0.12% |
| 12 | 2024-01-15 | 0.76% | 0.88% | +0.12% |
| 13 | 2023-11-08 | 0.34% | 0.76% | +0.42% |
| 14 | 2023-05-10 | 0.24% | 0.34% | +0.10% |
| 15 | 2023-03-07 | 1.21% | 0.24% | -0.98% |
| 16 | 2022-04-01 | 7.18% | 1.21% | -5.96% |
| 17 | 2022-02-04 | 6.89% | 7.18% | +0.29% |
| 18 | 2022-01-06 | 1.62% | 6.89% | +5.27% |
| 19 | 2021-07-20 | 0.98% | 1.62% | +0.65% |
| 20 | 2021-06-24 | 4.24% | 0.98% | -3.26% |
| 21 | 2021-06-19 | 0.98% | 4.24% | +3.26% |
| 22 | 2021-06-11 | — | 0.98% | — |