Heap-Based Buffer Overflow Vulnerability in SonicWall SMA Appliances
CVE-2021-20043
8.8HIGH
Summary
A heap-based buffer overflow vulnerability exists in the SonicWall SMA100 appliance, specifically in the getBookmarks method. This flaw may allow a remote authenticated attacker to gain unauthorized access and execute arbitrary code with the privileges of the 'nobody' user. This vulnerability impacts multiple models in the SMA series, making it crucial for organizations using affected appliances to apply necessary security measures and updates.
Affected Version(s)
SonicWall SMA100 10.2.0.8-37sv and earlier
SonicWall SMA100 10.2.1.1-19sv and earlier
SonicWall SMA100 10.2.1.2-24sv and earlier
References
CVSS V3.1
Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged
Timeline
Vulnerability published
Vulnerability Reserved