critical9.8Known exploited
CVE-2020-5135
SonicWall SonicOS Buffer Overflow Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2022-03-15. Federal due date: 2022-04-05.
Apply updates per vendor instructions.
Impact
A buffer overflow vulnerability in SonicOS allows a remote attacker to cause Denial of Service (DoS) and potentially execute arbitrary code by sending a malicious request to the firewall. This vulnerability affected SonicOS Gen 6 version 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version 7.0.0.0.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Sonicwall | Sonicos | through 6.0.5.3 from 6.5.0.0 through 6.5.1.11 from 6.5.4.0 through 6.5.4.7 Version 7.0.0.0 |
| Sonicwall | Sonicosv | through 6.5.4.4 |