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CVE-2021-20035 is an OS command injection vulnerability in the management interface of SonicWall Secure Mobile Access (SMA) 100 series appliances. Improper neutralization of special elements permits a remote authenticated attacker to inject arbitrary operating-system commands. Injected commands execute in the context of the low-privileged "nobody" user and can potentially lead to code execution.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
31 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A previous SonicWall vulnerability referenced as having confirmed active exploitation in the wild and inclusion in CISA's Known Exploited Vulnerabilities catalog.
A SonicWall SMA 100 Series OS command injection vulnerability added to CISA KEV due to active exploitation evidence.
An authenticated remote code execution vulnerability in SonicWall SMA referenced as a possible exploitation vector in UNC6148 activity.
A known vulnerability in SonicWall SMA 100 series appliances that may allow remote attackers to gain unauthorized access.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.