Vulnerability Description
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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Sonicwall | Sonicos | <= 6.0.5.3 |
| Sonicwall | Sonicosv | <= 6.5.4.4 |
Related Weaknesses (CWE)
References
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0010Vendor Advisory
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0010Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-US Government Resource
FAQ
What is CVE-2020-5135?
CVE-2020-5135 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 vulnera...
How severe is CVE-2020-5135?
CVE-2020-5135 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2020-5135?
Check the references section above for vendor advisories and patch information. Affected products include: Sonicwall Sonicos, Sonicwall Sonicosv.