CVE-2022-42948: Fortra Cobalt Strike User Interface Remote Code Execution Vulnerability

CVE-2022-42948 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2023-03-30

Fortra Cobalt Strike 4.7.1 fails to properly escape HTML tags when displayed on Java Swing components. An attacker can inject crafted HTML code to achieve remote code execution within the Cobalt Strike user interface.

Vendors: Fortra.

Quick answers

Is CVE-2022-42948 exploited in the wild?
Yes. CVE-2022-42948 is known to be exploited in the wild, first recorded on 30 March 2023. Treat it as urgent.
How severe is CVE-2022-42948?
Critical severity, with a CVSS score of 9.8, published 30 March 2023.
Which products and versions are affected?
Fortra (formerly HelpSystems) Cobalt Strike 4.7.1.
Is there a fix for CVE-2022-42948?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2022-42948 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2022-42948?
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 (formerly HelpSystems) Cobalt Strike 4.7.1

Timeline

  • 2023-03-24: disclosed: NVD Published Date
  • 2023-03-30: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2023-03-30: advisory: Initial NIST NVD analysis published

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