High severity · published Sep 21, 2021
CVE-2021-20037
SonicWall Global VPN Client 4.10.5 installer (32-bit and 64-bit) incorrect default file permission vulnerability leads to privilege escalation which potentially allows command…
7.8
CVSS
0.4%
EPSS
No
On KEV
Description
SonicWall Global VPN Client 4.10.5 installer (32-bit and 64-bit) incorrect default file permission vulnerability leads to privilege escalation which potentially allows command execution in the host operating system. This vulnerability impacts GVC 4.10.5 installer and earlier.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 36% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GV
Global Vpn Client · Sonicwall
through 4.10.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20037
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20037
Vendor Advisory
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0024
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