CRITICAL

CVE-2021-21881

CVSS v3

9.9

CRITICAL

EPSS Score

92.3%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

An OS command injection vulnerability exists in the Web Manager Wireless Network Scanner functionality of Lantronix PremierWave 2050 8.9.0.0R4. A specially-crafted HTTP request can lead to command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.

Technical details

Published
12/22/2021

Frequently asked questions

What is CVE-2021-21881?

An OS command injection vulnerability exists in the Web Manager Wireless Network Scanner functionality of Lantronix PremierWave 2050 8.9.0.0R4. A specially-crafted HTTP request can lead to command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.

Is CVE-2021-21881 actively exploited?

Active exploitation of CVE-2021-21881 has not been confirmed. The EPSS score is 92.3%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-21881?

CVE-2021-21881 has a CVSS v3 base score of 9.9 (CRITICAL severity).

Is CVE-2021-21881 affecting your environment?

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