CVE-2021-46421 — EPSS score history & risk trends

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EPSS score history for CVE-2021-46421, showing historical risk changes and exploitation probability trends for vulnerability prioritization and security analysis.

EPSS history (newest first)

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-07-14 5.70% 5.87% +0.17%
2 2026-06-21 5.58% 5.70% +0.12%
3 2026-06-15 3.25% 5.58% +2.33%
4 2025-11-21 7.67% 3.25% -4.41%
5 2025-11-18 3.25% 7.67% +4.41%
6 2025-10-21 4.32% 3.25% -1.07%
7 2025-05-04 3.14% 4.32% +1.18%
8 2025-05-03 2.53% 3.14% +0.61%
9 2025-04-28 0.82% 2.53% +1.71%
10 2025-03-30 2.56% 0.82% -1.74%
11 2025-03-29 0.82% 2.56% +1.74%
12 2025-03-17 0.60% 0.82% +0.22%
13 2025-02-05 0.48% 0.60% +0.11%
14 2024-12-17 0.76% 0.48% -0.28%
15 2024-12-02 0.54% 0.76% +0.22%
16 2024-10-23 0.29% 0.54% +0.25%
17 2023-11-18 0.19% 0.29% +0.10%
18 2023-05-30 0.09% 0.19% +0.10%
19 2023-03-07 0.89% 0.09% -0.79%
20 2022-04-28 0.89%

EPSS probability trend

Legend EPSS Score (left axis) Delta (right axis) Up vs prior day Down vs prior day Unchanged vs prior day
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