CVE-2023-21823 — EPSS score history & risk trends

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EPSS score history for CVE-2023-21823, 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 2026-06-15 2.29% 5.56% +3.27%
2 2026-05-31 2.35% 2.29% -0.06%
3 2026-05-12 5.03% 2.35% -2.67%
4 2026-04-27 6.04% 5.03% -1.01%
5 2026-04-26 5.24% 6.04% +0.80%
6 2026-03-04 4.17% 5.24% +1.07%
7 2026-02-18 4.55% 4.17% -0.38%
8 2026-02-16 5.25% 4.55% -0.70%
9 2026-02-15 6.67% 5.25% -1.41%
10 2025-11-21 36.65% 6.67% -29.98%
11 2025-11-18 6.67% 36.65% +29.98%
12 2025-10-31 2.53% 6.67% +4.13%
13 2025-10-22 2.39% 2.53% +0.14%
14 2025-10-09 3.21% 2.39% -0.82%
15 2025-10-02 3.30% 3.21% -0.09%
16 2025-09-19 3.16% 3.30% +0.15%
17 2025-07-10 2.44% 3.16% +0.72%
18 2025-04-30 1.81% 2.44% +0.63%
19 2025-04-15 1.67% 1.81% +0.14%
20 2025-03-30 8.13% 1.67% -6.47%
21 2025-03-29 1.67% 8.13% +6.47%
22 2025-03-28 8.13% 1.67% -6.47%
23 2025-03-27 1.67% 8.13% +6.47%
24 2025-03-25 1.64% 1.67% +0.02%
25 2025-03-24 1.82% 1.64% -0.18%
26 2025-03-20 8.82% 1.82% -7.00%
27 2025-03-19 1.45% 8.82% +7.38%
28 2025-03-17 20.30% 1.45% -18.85%
29 2025-03-14 21.24% 20.30% -0.93%
30 2025-03-12 33.05% 21.24% -11.81%
31 2025-02-27 45.42% 33.05% -12.38%
32 2025-02-10 50.52% 45.42% -5.10%
33 2025-01-29 55.02% 50.52% -4.49%
34 2024-12-31 52.53% 55.02% +2.48%
35 2024-12-17 56.55% 52.53% -4.02%
36 2024-12-03 59.21% 56.55% -2.66%
37 2024-11-18 55.16% 59.21% +4.05%
38 2024-10-19 23.15% 55.16% +32.01%
39 2024-10-05 27.74% 23.15% -4.58%
40 2024-09-21 23.10% 27.74% +4.64%
41 2024-09-06 35.87% 23.10% -12.77%
42 2024-08-24 61.55% 35.87% -25.68%
43 2024-08-15 56.75% 61.55% +4.80%
44 2024-08-09 49.15% 56.75% +7.60%
45 2024-07-14 65.26% 49.15% -16.11%
46 2024-06-30 64.06% 65.26% +1.21%
47 2024-06-17 64.46% 64.06% -0.41%
48 2024-05-29 74.74% 64.46% -10.27%
49 2024-05-08 83.63% 74.74% -8.89%
50 2024-04-25 82.51% 83.63% +1.12%
51 2024-03-30 82.86% 82.51% -0.35%
52 2024-03-18 82.08% 82.86% +0.78%
53 2024-02-10 94.01% 82.08% -11.92%
54 2024-01-04 96.19% 94.01% -2.18%
55 2023-12-22 95.51% 96.19% +0.68%
56 2023-11-18 95.14% 95.51% +0.37%
57 2023-11-05 95.00% 95.14% +0.13%
58 2023-10-14 92.93% 95.00% +2.07%
59 2023-10-03 90.78% 92.93% +2.15%
60 2023-08-30 77.88% 90.78% +12.90%
61 2023-08-07 75.62% 77.88% +2.26%
62 2023-07-20 80.07% 75.62% -4.44%
63 2023-07-08 79.25% 80.07% +0.82%
64 2023-07-04 77.50% 79.25% +1.75%
65 2023-06-19 75.77% 77.50% +1.73%
66 2023-06-01 75.98% 75.77% -0.21%
67 2023-05-24 77.54% 75.98% -1.56%
68 2023-05-19 59.18% 77.54% +18.36%
69 2023-05-08 72.07% 59.18% -12.89%
70 2023-04-21 6.99% 72.07% +65.08%
71 2023-04-18 8.35% 6.99% -1.36%
72 2023-03-26 5.99% 8.35% +2.36%
73 2023-03-19 6.39% 5.99% -0.39%
74 2023-03-18 5.49% 6.39% +0.90%
75 2023-03-07 1.88% 5.49% +3.61%
76 2023-02-24 1.10% 1.88% +0.77%
77 2023-02-15 1.10%

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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