CVE-2021-20038 · netVigilance record NV22-0039
SonicWall SMA 100 Appliances Stack-Based Buffer Overflow
past due ransomware
What to do
Apply updates per vendor instructions.
CISA deadline 2022-02-11 · passed 4 years 6 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
SonicWall SMA 100 devies are vulnerable to an unauthenticated stack-based buffer overflow vulnerability where exploitation can result in code execution.
Who is affected
SonicWall SMA 100 Appliances. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-121.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 4 years 6 months ago
Sources
- NVD entry for CVE-2021-20038 nvd.nist.gov/vuln/detail/CVE-2021-20038
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2021-20038