CVE-2020-5135 — SonicWall SonicOS Buffer Overflow Vulnerability

Known ransomware use CISA KEV listed Added March 15, 2022 Remediate by April 5, 2022

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.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2020-5135

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