Secure Mobile Access (SMA)

CVE-2021-20035: SMA100 Appliances OS Command Injection

Improper neutralization of special elements in the SMA100 management interface allows a remote authenticated attacker to inject arbitrary commands as a 'nobody' user which potentially leads to DoS.

Published

ExploitedYes, in CISA KEVAdded 16 Apr 2025
Ransomware useNot reportedPer CISA
SeverityMEDIUMCVSS 3.1 6.5
EPSS4.2%Chance of exploitation in 30 days
Public exploitNot tracked
FixSee advisory

Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.

Affected and fixed versions

Product / branchFixed in
SMA100 9.0See the advisory
SMA100 10.2See the advisory

Always confirm against the vendor advisory, which lists every fixed hotfix.

What it is

Improper neutralization of special elements in the SMA100 management interface allows a remote authenticated attacker to inject arbitrary commands as a 'nobody' user which potentially leads to DoS.

Exploitation

CISA lists this CVE as exploited in the wild since 16 Apr 2025.

Sources

KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.

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