Vulnerability Intelligence Report
CVE-2021-20042
An unauthenticated remote attacker can use SMA 100 as an unintended proxy or intermediary undetectable proxy to bypass firewall rules. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
EPSS Probability:2.66%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-441 ↗CWE-441: Unintended Proxy or Intermediary ('Confused Deputy')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| SonicWall | SonicWall SMA100 | 9.0.0.11-31sv and earlier (affected), 10.2.0.8-37sv and earlier (affected), 10.2.1.1-19sv and earlier (affected), 10.2.1.2-24sv and earlier (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
2.663%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | SonicWall, Inc. · Vendor · USA |
| Reserved | 2020-12-17T00:00:00 |
| Published | 2021-12-08T09:55:25 |
| Last Updated | 2024-08-03T17:30:07 |
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