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TI-2020-04225 Aliases CVE-2020-5131GHSA-cw48-h2hv-c97j

Improper input validation in SonicWall NetExtender

Priority LOW 34CWE-20Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

SonicWall NetExtender Windows client vulnerable to arbitrary file write vulnerability, this allows attacker to overwrite a DLL and execute code with the same privilege in the host operating system. This vulnerability impact SonicWall NetExtender Windows client version 9.0.815 and earlier.

Why it matters now

EPSS 0.00462 40th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
SonicWallSonicWall NetExtenderup to 9.0.815—No fix listedCNA
  • SonicWall NetExtender VendorSonicWall Affected up to 9.0.815 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:sonicwall:netextender:*:*:*:*:*:windows:*:*up to 9.0.815VulnerableSonicWall
  • cpe:2.3:a:sonicwall:netextender:*:*:*:*:*:windows:*:* Versions up to 9.0.815 Vulnerable ·SonicWall

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-5131
  2. 2026-10-03 Alias added: GHSA-cw48-h2hv-c97j

References

Advisory 1

  • TI-2024-19198 Code injection in SonicWall NetExtender CVSS 3.1HIGH 8.8
  • TI-2023-23749 A flaw within the SonicWall NetExtender Pre-Logon feature enables an unauthorized user to… CVSS 3.1HIGH 8.8
  • TI-2023-23748 Improper privilege management in SonicWall NetExtender CVSS 3.1HIGH 7.8
  • TI-2022-06611 Stack-based buffer overflow in SonicWall NetExtender Windows Client CVSS 3.1HIGH 7.8
  • TI-2023-23751 Uncontrolled search path in SonicWall NetExtender CVSS 3.1HIGH 7.3
  • TI-2015-03496 Unquoted Windows search path vulnerability in the autorun value in Dell SonicWall… CVSS 2.0MEDIUM 6.9
See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences