CVE-2021-20047
SonicWall Global VPN client version 4.10.6 (32-bit and 64-bit) and earlier have a DLL Search...
SonicWall Global VPN client version 4.10.6 (32-bit and 64-bit) and earlier have a DLL Search Order Hijacking vulnerability. Successful exploitation via a local attacker could result in remote code execution in the target system.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
SonicWall Global VPN client version 4.10.6 (32-bit and 64-bit) and earlier have a DLL Search Order Hijacking vulnerability. Successful exploitation via a local attacker could result in remote code execution in the target system.
- Record
CVE-2021-20047- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.9 Medium
AV:L/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-427
- Updated
- 2026-11-02
CVE List No score
SonicWall Global VPN client version 4.10.6 (32-bit and 64-bit) and earlier have a DLL Search Order Hijacking vulnerability. Successful exploitation via a local attacker could result in remote code execution in the target system.
- Record
CVE-2021-20047- Weakness
- CWE-427
- Updated
- 2026-11-02
EUVDEUVD-2021-7510 No score
SonicWall Global VPN client version 4.10.6 (32-bit and 64-bit) and earlier have a DLL Search Order Hijacking vulnerability. Successful exploitation via a local attacker could result in remote code execution in the target system.
- Record
EUVD-2021-7510- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j8rh-gjh8-236w No score
SonicWall Global VPN client version 4.10.6 (32-bit and 64-bit) and earlier have a DLL Search...
SonicWall Global VPN client version 4.10.6 (32-bit and 64-bit) and earlier have a DLL Search Order Hijacking vulnerability. Successful exploitation via a local attacker could result in remote code execution in the target system.
- Record
GHSA-j8rh-gjh8-236w- Weakness
- CWE-427
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-20047 is a high vulnerability (CVSS 7.8) in Sonicwall Global Vpn Client, published December 8, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.88%, the 59th percentile. No source names a fixed version.