EPSS score history for CVE-2021-3277, 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 | 23.87% | 54.58% | +30.71% |
| 2 | 2026-06-09 | 35.23% | 23.87% | -11.36% |
| 3 | 2026-04-28 | 33.55% | 35.23% | +1.68% |
| 4 | 2026-03-23 | 35.53% | 33.55% | -1.99% |
| 5 | 2026-03-07 | 34.63% | 35.53% | +0.90% |
| 6 | 2026-01-13 | 32.14% | 34.63% | +2.49% |
| 7 | 2025-03-30 | 53.38% | 32.14% | -21.25% |
| 8 | 2025-03-29 | 32.14% | 53.38% | +21.25% |
| 9 | 2025-03-17 | 2.56% | 32.14% | +29.58% |
| 10 | 2025-02-22 | 2.65% | 2.56% | -0.10% |
| 11 | 2024-12-17 | 4.25% | 2.65% | -1.60% |
| 12 | 2023-11-20 | 4.11% | 4.25% | +0.14% |
| 13 | 2023-08-30 | 3.77% | 4.11% | +0.34% |
| 14 | 2023-05-23 | 3.61% | 3.77% | +0.16% |
| 15 | 2023-03-07 | 1.16% | 3.61% | +2.45% |
| 16 | 2022-04-01 | 15.36% | 1.16% | -14.21% |
| 17 | 2022-02-04 | 3.99% | 15.36% | +11.37% |
| 18 | 2022-01-06 | 0.92% | 3.99% | +3.07% |
| 19 | 2021-06-13 | 3.99% | 0.92% | -3.07% |
| 20 | 2021-06-08 | — | 3.99% | — |