OS command injection in SonicWall SMA100
Priority MEDIUM 42CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.
Summary
A post-authenticated command injection vulnerability in SonicWall SMA100 allows an authenticated attacker to execute OS commands as a 'nobody' user. This vulnerability impacts SMA100 version 10.2.0.5 and earlier.
Why it matters now
EPSS 0.01893 79th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| SonicWall | SMA100 | up to 10.2.0.5 | — | No fix listed | CNA |
- SMA100 VendorSonicWall Affected up to 10.2.0.5 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-20017
- 2026-10-03 Alias added: GHSA-q863-p6pj-6qfj
References
More SonicWall Sma100 Firmware vulnerabilities
- TI-2021-02413 NULL pointer deref in signature_algorithms processing CVSS 3.1MEDIUM 5.9
- TI-2021-02414 CA certificate check bypass with X509_V_FLAG_X509_STRICT CVSS 3.1HIGH 7.4
- TI-2020-04226 Information disclosure in SonicWall SMA100 CVSS 3.1MEDIUM 5.3
- TI-2021-03339 Information disclosure in SonicWall SMA100 CVSS 3.1MEDIUM 4.9
Sources
- CVE-2021-20017 · CVE Program
- CVE-2021-20017 · NVD
- FIRST EPSS
- GHSA-q863-p6pj-6qfj · GitHub Advisory Database · CC BY 4.0
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