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HIGH · 8.8

CVE-2021-20043

A Heap-based buffer overflow vulnerability in SonicWall SMA100 getBookmarks method allows a remote authenticated attacker to potentially execute code as the nobody user in the appliance. This vulnerab...

Vulnerability Description

A Heap-based buffer overflow vulnerability in SonicWall SMA100 getBookmarks method allows a remote authenticated attacker to potentially execute code as the nobody user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
SonicwallSma 200 Firmware10.2.0.8-37sv
SonicwallSma 200-
SonicwallSma 210 Firmware10.2.0.8-37sv
SonicwallSma 210-
SonicwallSma 410 Firmware10.2.0.8-37sv
SonicwallSma 410-
SonicwallSma 400 Firmware10.2.0.8-37sv
SonicwallSma 400-
SonicwallSma 500V Firmware10.2.0.8-37sv
SonicwallSma 500V-

Related Weaknesses (CWE)

CWE-122CWE-787

References

FAQ

What is CVE-2021-20043?

CVE-2021-20043 is a vulnerability with a CVSS score of 8.8 (HIGH). A Heap-based buffer overflow vulnerability in SonicWall SMA100 getBookmarks method allows a remote authenticated attacker to potentially execute code as the nobody user in the appliance. This vulnerab...

How severe is CVE-2021-20043?

CVE-2021-20043 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-20043?

Check the references section above for vendor advisories and patch information. Affected products include: Sonicwall Sma 200 Firmware, Sonicwall Sma 200, Sonicwall Sma 210 Firmware, Sonicwall Sma 210, Sonicwall Sma 410 Firmware.