CVE-2020-5135

Known Exploited

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 35.65% Top 5%
KEV Since 
Vendor Advisory sonicwall.com
Affected: SonicWall SonicOS
Published at:
Updated at:

References

Link Tags
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0010 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-5135?
CVE-2020-5135 has been scored as a critical severity vulnerability.
How to fix CVE-2020-5135?
To fix CVE-2020-5135, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-5135 being actively exploited in the wild?
It is confirmed that CVE-2020-5135 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~36% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-5135?
CVE-2020-5135 affects SonicWall SonicOS.
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