Improper neutralization of special elements in the SMA100 management interface '/cgi-bin/viewcert' POST http method allows a remote authenticated attacker to inject arbitrary commands as a 'nobody' user. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.
Published 2021-12-08 10:15:08
Updated 2022-04-01 15:27:07
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-20039

65.69%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 98 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2021-20039

  • SonicWall SMA 100 Series Authenticated Command Injection
    Disclosure Date: 2021-12-14
    First seen: 2022-12-23
    exploit/linux/http/sonicwall_cve_2021_20039
    This module exploits an authenticated command injection vulnerability in the SonicWall SMA 100 series web interface. Exploitation results in command execution as root. The affected versions are: - 10.2.1.2-24sv and below - 10.2.0.8-37sv and below

CVSS scores for CVE-2021-20039

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
9.0
HIGH AV:N/AC:L/Au:S/C:C/I:C/A:C
8.0
10.0
NIST
8.8
HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.8
5.9
NIST

CWE ids for CVE-2021-20039

References for CVE-2021-20039

Products affected by CVE-2021-20039

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