CVE-2021-20050

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 0.9%

Description

An Improper Access Control Vulnerability in the SMA100 series leads to multiple restricted management APIs being accessible without a user login, potentially exposing configuration meta-data.

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
All versions
All versions
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-284NVD-CWE-Other

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