Buffer overflow in Sonicwall Sma100

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 vulnerability affected SMA 200, 210, 400, 410 a…

Vulnerability class: Buffer Overflow

EPSS: 0.058 (90.6th percentile) — read the EPSS interpretation.

Affected products

  • Sonicwall Sma100 — versions 10.2.0.8-37sv and earlier, 10.2.1.1-19sv and earlier, 10.2.1.2-24sv and earlier

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-20043?
CVE-2021-20043 is a vulnerability in Sonicwall Sma100, classified under Heap-based Buffer Overflow. Published 2021-12-08.
Is CVE-2021-20043 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.