Home/CVE/A vulnerability in SonicWall SMA100 password change API allows a remote unauthenticated attacker to perform SMA100 usern
CVE

CVE-2021-20049

A vulnerability in SonicWall SMA100 password change API allows a remote unauthenticated attacker to perform SMA100 usern

A vulnerability in SonicWall SMA100 password change API allows a remote unauthenticated attacker to perform SMA100 username enumeration based on the server responses. This vulnerability impacts 10.2.1.2-24sv, 10.2.0.8-37sv and earlier 10.x versions.

HIGH · CVSS 7.5 EPSS 0.00334
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-203Observable Discrepancy
CWE-204Observable Response Discrepancy
▤

Affected Products & Versions

12
sonicwall sma 100 firmware< 10.0.0.0
sonicwall sma 100 firmwareall versions
sonicwall sma 200 firmware< 10.0.0.0
sonicwall sma 200 firmwareall versions
sonicwall sma 210 firmware< 10.0.0.0
sonicwall sma 210 firmwareall versions
sonicwall sma 400 firmware< 10.0.0.0
sonicwall sma 400 firmwareall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · PSIRT@sonicwall.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD23 Dec 2021 · 02:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0030Vendor Advisory
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