High severity · published Mar 13, 2021
CVE-2021-20017
A post-authenticated command injection vulnerability in SonicWall SMA100 allows an authenticated attacker to execute OS commands as a 'nobody' user
8.8
CVSS
1.9%
EPSS
No
On KEV
Description
A post-authenticated command injection vulnerability in SonicWall SMA100 allows an authenticated attacker to execute OS commands as a 'nobody' user. This vulnerability impacts SMA100 version 10.2.0.5 and earlier.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SF
Sma100 Firmware · Sonicwall
through 10.2.0.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20017
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20017
Vendor Advisory
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0004
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