HIGH

CVE-2021-4242

CVSS v3

8.8

HIGH

EPSS Score

10.5%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

A vulnerability was found in Sapido BR270n, BRC76n, GR297 and RB1732 and classified as critical. Affected by this issue is some unknown functionality of the file ip/syscmd.htm. The manipulation leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-214592.

Technical details

Published
11/30/2022

Frequently asked questions

What is CVE-2021-4242?

A vulnerability was found in Sapido BR270n, BRC76n, GR297 and RB1732 and classified as critical. Affected by this issue is some unknown functionality of the file ip/syscmd.htm. The manipulation leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-214592.

Is CVE-2021-4242 actively exploited?

Active exploitation of CVE-2021-4242 has not been confirmed. The EPSS score is 10.5%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-4242?

CVE-2021-4242 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2021-4242 affecting your environment?

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