Critical severity · published Apr 10, 2021
CVE-2021-20020
A command execution vulnerability in SonicWall GMS 9.3 allows a remote unauthenticated attacker to locally escalate privilege to root
9.8
CVSS
3.7%
EPSS
No
On KEV
Description
A command execution vulnerability in SonicWall GMS 9.3 allows a remote unauthenticated attacker to locally escalate privilege to root.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.7% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GM
Global Management System · Sonicwall
9.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20020
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20020
Vendor Advisory
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0009
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