CVE record · CVE-2021-20035

OS command injection in SonicWall SMA100

CVSS 6.5 MediumCriticalIn CISA KEVEPSS 0.044 · 91st percentile

Critical, because:

In CISA’s KEV catalogue since 16 Apr 2025: it is known to be exploited.

Published by the CVE Program (CNA: sonicwall) at 27 Sept 2021, 17:20 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
SonicWall	SMA100	affected 9.0.0.10-28sv and earlier affected 10.2.0.7-34sv and earlier affected 10.2.1.0-17sv and earlier

Identifiers: CVE-2021-20035
CNA: sonicwall
Weakness (CWE): CWE-78
Tags: SonicWall SMA100
Command injection
Published: 27 Sept 2021
Updated: 21 Oct 2025

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.5	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	ADP (CISA-ADP)

CISA KEV Listed since 16 Apr 2025: known to be exploited.
EPSS 0.044, the 91st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 27 Sept 2021. New records show when each source confirmed them.

Sources

References from the CNA

psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0022 confirm

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.