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CVE-2023-28163

6.5 · MEDIUM

When downloading files through the Save As dialog on Windows with suggested filenames containing environment variable names, Windows would have resolved those in the context of the current user.

Published Jun 2, 2023CWE-22EPSS 0.80%

Overview

CVE-2023-28163 is a medium-severity vulnerability. It was published on June 2, 2023 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

When downloading files through the Save As dialog on Windows with suggested filenames containing environment variable names, Windows would have resolved those in the context of the current user. <br>*This bug only affects Firefox on Windows. Other versions of Firefox are unaffected.*. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9.

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

Refbugzilla.mozilla.org/show_bug.cgi?id=1817768Refwww.mozilla.org/security/advisories/mfsa2023-09/Refwww.mozilla.org/security/advisories/mfsa2023-10/Refwww.mozilla.org/security/advisories/mfsa2023-11/Refbugzilla.mozilla.org/show_bug.cgi?id=1817768Refwww.mozilla.org/security/advisories/mfsa2023-09/Refwww.mozilla.org/security/advisories/mfsa2023-10/Refwww.mozilla.org/security/advisories/mfsa2023-11/Refbugzilla.mozilla.org/show_bug.cgi?id=1817768

How CyberStrike helps

Frequently asked questions

What is CVE-2023-28163?

CVE-2023-28163 is a medium-severity vulnerability. It was published on June 2, 2023 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2023-28163?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-28163?

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-2023-28163?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-28163 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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