CVE-2021-20049
HIGH
7.5
CVSS Score
Published: December 23, 2021 at 01:20 AM UTC
Updated: June 17, 2026 at 03:33 AM UTC
13 products affected across 1 vendorSMA 410 FirmwareSMA 210 FirmwareSMA 500V Firmware
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Severity
HIGH7.5
Exploit prediction
EPSS 1%
Description
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 10.0.0.0, so it looks safe — our inference, not a vendor statement
sonicwall-sma200 (same device)
Affected range stops below 10.0.0.0, so it looks safe — our inference, not a vendor statement
sonicwall-sma210 (same device)
Affected range stops below 10.0.0.0, so it looks safe — our inference, not a vendor statement
sonicwall-sma400 (same device)
Affected range stops below 10.0.0.0, so it looks safe — our inference, not a vendor statement
sonicwall-sma410 (same device)
Affected range stops below 10.0.0.0, so it looks safe — our inference, not a vendor statement
sonicwall-sma500v (same device)
Affected range stops below 10.0.0.0, so it looks safe — our inference, not a vendor statement
sonicwall-sma100 (same device)
v ≤ 10.2.0.8-37svv ≤ 10.2.1.2-24sv
Sma100· SonicWalldevice
80%All versions
Sma200· SonicWalldevice
80%All versions
Sma210· SonicWalldevice
80%All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0030CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-204CWE-203
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