Vulnerability Monitor

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CVE-2020-5135

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.

Published

2020-10-12T11:15:12.747

Last Modified

2025-10-22T00:17:09.367

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

6.4

Weaknesses
  • Type: Secondary
    CWE-120
  • Type: Primary
    CWE-120
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System sonicwall sonicos ≤ 6.0.5.3 Yes
Operating System sonicwall sonicos ≤ 6.5.1.11 Yes
Operating System sonicwall sonicos ≤ 6.5.4.7 Yes
Operating System sonicwall sonicos 7.0.0.0 Yes
Operating System sonicwall sonicosv ≤ 6.5.4.4 Yes
References