MEDIUM CISA KEV

CVE-2022-39197

CVSS v3

6.1

MEDIUM

EPSS Score

20.2%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

An XSS (Cross Site Scripting) vulnerability was found in HelpSystems Cobalt Strike through 4.7 that allowed a remote attacker to execute HTML on the Cobalt Strike teamserver. To exploit the vulnerability, one must first inspect a Cobalt Strike payload, and then modify the username field in the payload (or create a new payload with the extracted information and then modify that username field to be malformed).

CISA Known Exploited Vulnerability

Date Added
3/30/2023
Patch Due Date
4/20/2023
Ransomware Use
Unknown

Technical details

Published
9/22/2022

Frequently asked questions

What is CVE-2022-39197?

An XSS (Cross Site Scripting) vulnerability was found in HelpSystems Cobalt Strike through 4.7 that allowed a remote attacker to execute HTML on the Cobalt Strike teamserver. To exploit the vulnerability, one must first inspect a Cobalt Strike payload, and then modify the username field in the payload (or create a new payload with the extracted information and then modify that username field to be malformed).

Is CVE-2022-39197 actively exploited?

Yes. CVE-2022-39197 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 4/20/2023.

What is the CVSS score for CVE-2022-39197?

CVE-2022-39197 has a CVSS v3 base score of 6.1 (MEDIUM severity).

Is CVE-2022-39197 affecting your environment?

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