CVE Watchtower

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CVE-2021-20035NVD

Vulnerability Summary

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.
Severity Level
UNKNOWN
Published Date
Sep 27, 2021
Last Modified
Oct 21, 2025
Exploitation Status
ACTIVE
EPSS Score (30-Day)
Data Pending
Root Weakness (CWE)
The software constructs all or part of an OS command using externally-influenced input, but does not properly neutralize special elements.

Affected & Patched Versions

Affected Versions
  • SonicWall SMA100 >= 9.0.0.10-28sv and earlier
  • SonicWall SMA100 >= 10.2.0.7-34sv and earlier
  • SonicWall SMA100 >= 10.2.1.0-17sv and earlier
Patched Versions
Not provided by cveorg for this CVE.
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🎁7-Day Free Trial — Try Pro or Team, no card required.
📧Email Delivery — Threat intel straight to your inbox.
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🚨All New CVEs — Be the first to know.
📈EPSS Spike Alerts — Catch rising risk before it peaks.
🎯Custom EPSS/CVSS — Filter noise, focus on risk.
🛡️Exploit Intel — A 2nd confirmed-exploit signal beyond KEV.
🐙GitHub Issues — Auto-tracked, no duplicates.
📬Weekly Digest — One clean summary, not inbox spam.
🏷️Watchlist Groups — Tag alerts by team (Infra/AppSec/SOC).
💬Webhooks — Slack & Teams integration.
🔀Smart Routing — Critical alerts to one channel, rest to another.
🚫Ad-Free — Uninterrupted experience.