Information disclosure in SonicWall SMA100
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-200.
Summary
SonicWall SSL-VPN products and SonicWall firewall SSL-VPN feature misconfiguration leads to possible DNS flaw known as domain name collision vulnerability. When the users publicly display their organization’s internal domain names in the SSL-VPN authentication page, an attacker with knowledge of internal domain names can potentially take advantage of this vulnerability.
Why it matters now
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 | SMA100 10.2.0.2-20sv | — | No fix listed | CNA |
| SonicWall | SMA1000 | SMA1000 12.4.0-2223 | — | No fix listed | CNA |
| SonicWall | SonicOS | SonicOS 6.5.4.6-79n | — | No fix listed | CNA |
- SMA100 VendorSonicWall Affected SMA100 10.2.0.2-20sv Fixed in — No fix listed CNA
- SMA1000 VendorSonicWall Affected SMA1000 12.4.0-2223 Fixed in — No fix listed CNA
- SonicOS VendorSonicWall Affected SonicOS 6.5.4.6-79n Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:sonicwall:sma100_firmware:10.2.0.2-20sv:*:*:*:*:*:*:* | 10.2.0.2-20sv | Vulnerable | SonicWall |
| cpe:2.3:o:sonicwall:sma100_firmware:12.4.0-2223:*:*:*:*:*:*:* | 12.4.0-2223 | Vulnerable | SonicWall |
| cpe:2.3:h:sonicwall:sma100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SonicWall |
| cpe:2.3:o:sonicwall:sonicos:6.5.4.6-79n:*:*:*:*:*:*:* | 6.5.4.6-79n | Vulnerable | SonicWall |
- cpe:2.3:o:sonicwall:sma100_firmware:10.2.0.2-20sv:*:*:*:*:*:*:* Versions 10.2.0.2-20sv Vulnerable ·SonicWall
- cpe:2.3:o:sonicwall:sma100_firmware:12.4.0-2223:*:*:*:*:*:*:* Versions 12.4.0-2223 Vulnerable ·SonicWall
- cpe:2.3:h:sonicwall:sma100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SonicWall
- cpe:2.3:o:sonicwall:sonicos:6.5.4.6-79n:*:*:*:*:*:*:* Versions 6.5.4.6-79n Vulnerable ·SonicWall
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-5132
- 2026-10-03 Alias added: GHSA-cm74-jg3x-hghv
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-2021-03338 OS command injection in SonicWall SMA100 CVSS 3.1HIGH 8.8
- TI-2021-03339 Information disclosure in SonicWall SMA100 CVSS 3.1MEDIUM 4.9
Sources
- CVE-2020-5132 · CVE Program
- CVE-2020-5132 · NVD
- FIRST EPSS
- GHSA-cm74-jg3x-hghv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences