CVE-2021-40530 — EPSS score history & risk trends

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EPSS score history for CVE-2021-40530, 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 2026-06-30 1.12% 1.16% +0.04%
2 2026-06-15 0.26% 1.12% +0.86%
3 2025-03-30 0.35% 0.26% -0.10%
4 2025-03-29 0.30% 0.35% +0.06%
5 2025-03-17 0.15% 0.30% +0.14%
6 2023-11-29 0.11% 0.15% +0.04%
7 2023-03-30 0.16% 0.11% -0.05%
8 2023-03-07 1.11% 0.16% -0.95%
9 2022-04-01 12.30% 1.11% -11.19%
10 2022-02-04 6.21% 12.30% +6.09%
11 2022-01-06 1.45% 6.21% +4.75%
12 2021-10-11 6.21% 1.45% -4.75%
13 2021-10-06 5.36% 6.21% +0.85%
14 2021-10-05 1.04% 5.36% +4.32%
15 2021-10-04 0.83% 1.04% +0.21%
16 2021-09-07 0.83%

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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