CVE-2022-42948
Published 2023-03-24 · Updated 2026-06-17 · Source cve@mitre.org
Summary
CVE-2022-42948 is a critical-severity (CVSS 9.8) vulnerability in Fortra Cobalt Strike. CISA added it to the Known Exploited Vulnerabilities catalog on March 30, 2023, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by April 20, 2023. CISA does not currently list it as used in ransomware campaigns. Fortra has 4 vulnerabilities in the KEV catalog, 2 of them linked to ransomware.
All 4 known-exploited Fortra vulnerabilities →Description
Cobalt Strike 4.7.1 fails to properly escape HTML tags when they are displayed on Swing components. By injecting crafted HTML code, it is possible to remotely execute code in the Cobalt Strike UI.
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: Fortra — Cobalt Strike
Name: Fortra Cobalt Strike User Interface Remote Code Execution Vulnerability
Date added: 2023-03-30 · Due: 2023-04-20
Required action: Apply updates per vendor instructions.
References
- https://thesecmaster.com/how-to-fix-cve-2022-42948-a-critical-rce-vulnerability-in-cobalt-strike/
- https://www.cobaltstrike.com/blog/
- https://www.redpacketsecurity.com/helpsystems-cobalt-strike-code-execution-cve-2022-42948/
- https://thesecmaster.com/how-to-fix-cve-2022-42948-a-critical-rce-vulnerability-in-cobalt-strike/
- https://www.cobaltstrike.com/blog/
- https://www.redpacketsecurity.com/helpsystems-cobalt-strike-code-execution-cve-2022-42948/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-42948