SMA100 vulnerabilities: known CVEs & security history
SonicWall · Actively exploited · 5 tracked CVEs · 0 actively exploited · updated June 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all SMA100 release lines — 5 in total. A CVE here doesn't mean your version is affected — check SMA100's current status and the safe version to run.
Known SMA100 CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2021-20017 | high | 8.8 | 2% | 2021 |
| CVE-2021-3450 | high | 7.4 | 18% | 2021 |
| CVE-2021-3449 | medium | 5.9 | 64% | 2021 |
| CVE-2020-5132 | medium | 5.3 | 1% | 2020 |
| CVE-2021-20018 | medium | 4.9 | 1% | 2021 |
Is my SMA100 version affected?
The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.
Check your SMA100 version → · Monitor SMA100 for new CVEs →
SMA100 vulnerabilities — frequently asked
How many known vulnerabilities does SMA100 have?
IsItPatched tracks 5 CVEs for SMA100. 0 are critical-severity and 2 high-severity. These span every release line — what matters is whether the version you run is affected.
Does SMA100 have any actively-exploited vulnerabilities?
None of SMA100's tracked CVEs are currently in CISA's KEV catalog — but new ones can be added at any time, so keep your version current.
What is the most severe SMA100 vulnerability?
Among tracked issues, CVE-2021-20017 (HIGH, CVSS 8.8) ranks highest — a OS command injection weakness.
Is SMA100 safe to use?
It depends on the version. The latest supported SMA100 release clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.
CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: SMA100 security status · SMA100 end-of-life · actively-exploited CVEs. Always verify against SonicWall's advisories — see our disclaimer.