HIGH

CVE-2021-20039

CVSS v3

8.8

HIGH

EPSS Score

82.5%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

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.

Technical details

Published
12/8/2021

Frequently asked questions

What is CVE-2021-20039?

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.

Is CVE-2021-20039 actively exploited?

Active exploitation of CVE-2021-20039 has not been confirmed. The EPSS score is 82.5%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-20039?

CVE-2021-20039 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2021-20039 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.