Email Security
by Sonicwall
Immediate action recommended
Email Security has critical exploitation rates across its known vulnerabilities.
What to do
- Check for patches and apply immediately
- Review whether this software can be replaced with a safer alternative
- Consult your IT provider about mitigation options
What Attackers Target
Vulnerabilities with high exploit probability
58.3%
Confirmed actively exploited (CISA)
41.7%
Public exploit code available
8.3%
Based on 12 known vulnerabilities. Percentages show the proportion that are actively dangerous — a low percentage means most vulnerabilities in this product are not being exploited.
Most Dangerous Vulnerabilities
| CVE | CVSS | Exploit Probability | Confirmed |
|---|---|---|---|
| CVE-2021-44228 | 10.0 | 94.4% | Yes |
| CVE-2021-45046 | 9.0 | 94.3% | Yes |
| CVE-2021-20021 | 9.8 | 91.7% | Yes |
| CVE-2021-45105 | 5.9 | 70.4% | — |
| CVE-2018-3639 | 5.5 | 46.0% | — |
| CVE-2021-20023 | 4.9 | 42.7% | Yes |
| CVE-2021-20022 | 7.2 | 20.0% | Yes |
| CVE-2021-3450 | 7.4 | 0.5% | — |
| CVE-2023-0655 | 5.3 | 0.4% | — |
| CVE-2026-3469 | 2.7 | 0.1% | — |
| CVE-2026-3470 | 3.8 | 0.1% | — |
| CVE-2026-3468 | 4.8 | 0.0% | — |
81
/ 100
critical-risk
Active Threat
50/50 · Critical
Exploit Availability
31/50 · High
Score uses Wilson score intervals to account for sample size. Products with few CVEs are scored conservatively.