CVE-2024-5692

Mozilla: Bypass of file name restrictions during saving

Published Jun 11, 2024 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
On Windows 10, when using the 'Save As' functionality, an attacker could have tricked the browser into saving the file with a disallowed extension such as `.url` by including an invalid character in the extension. *Note:* This issue only affected Windows operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-46864 On Windows 10, when using the 'Save As' functionality, an attacker could have tricked the browser into saving the file with a disallowed extension such as `.url` by including an invalid character in the extension. *Note:* This issue only affected Windows operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows
Mozilla
Mozilla firefox
Mozilla thunderbird
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows
Mozilla
Mozilla firefox
Mozilla thunderbird
Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Feb 27, 2026, 4:40 PM
Reserved
Jun 6, 2024, 3:05 PM
Status
Analyzed
Published
Jun 11, 2024, 1:15 PM
Modified
Jun 17, 2026, 8:16 AM
Severity
Moderate
Public date
Jun 11, 2024, 12:00 AM