CVE-2022-39197: Fortra Cobalt Strike Teamserver Cross-Site Scripting (XSS) Vulnerability

CVE-2022-39197 · Severity: critical · CVSS 6.1 · Exploited in the wild · Published 2023-03-30

A cross-site scripting (XSS) vulnerability in Fortra Cobalt Strike Teamserver allows a remote attacker to execute arbitrary HTML or code by supplying a malformed username field within a Beacon configuration. Exploitation requires the attacker to inspect a Cobalt Strike payload and modify the username field to include malicious content.

Vendors: Fortra.

Quick answers

Is CVE-2022-39197 exploited in the wild?
Yes. CVE-2022-39197 is known to be exploited in the wild, first recorded on 30 March 2023. Treat it as urgent.
How severe is CVE-2022-39197?
Critical severity, with a CVSS score of 6.1, published 30 March 2023.
Which products and versions are affected?
Fortra (HelpSystems) Cobalt Strike up to (including) 4.7.
Is there a fix for CVE-2022-39197?
A patch was published on 2022-09-20: Vendor released out-of-band update 4.7.1 to address the issue Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2022-39197 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2022-39197?
Check whether you run Fortra Cobalt Strike. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Fortra (HelpSystems) Cobalt Strike up to (including) 4.7

Timeline

  • 2022-09-21: disclosed: NVD Published Date
  • 2023-03-30: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2022-09-20: patched: Vendor released out-of-band update 4.7.1 to address the issue
  • 2023-03-30: exploited: Reported as exploited in the wild per CISA KEV entry

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