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CVE-2022-42948

9.8 · CRITICALActively Exploited

Cobalt Strike 4.7.1 fails to properly escape HTML tags when they are displayed on Swing components.

Published Mar 24, 2023CWE-116EPSS 2.71%

Overview

CVE-2022-42948 is a critical-severity vulnerability. It was published on March 24, 2023 and has a CVSS 3.1 base score of 9.8 (CRITICAL). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refthesecmaster.com/how-to-fix-cve-2022-42948-a-critical-rce-vulnerability-in-cobalt-strike/Refwww.cobaltstrike.com/blog/Refwww.redpacketsecurity.com/helpsystems-cobalt-strike-code-execution-cve-2022-42948/Refthesecmaster.com/how-to-fix-cve-2022-42948-a-critical-rce-vulnerability-in-cobalt-strike/Refwww.cobaltstrike.com/blog/Refwww.redpacketsecurity.com/helpsystems-cobalt-strike-code-execution-cve-2022-42948/CISAwww.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-42948

How CyberStrike helps

Frequently asked questions

What is CVE-2022-42948?

CVE-2022-42948 is a critical-severity vulnerability. It was published on March 24, 2023 and has a CVSS 3.1 base score of 9.8 (CRITICAL). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

How severe is CVE-2022-42948?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-42948?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-42948?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-42948 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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