Vulnerability Monitor

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CVE-2023-25734

After downloading a Windows <code>.url</code> shortcut from the local filesystem, an attacker could supply a remote path that would lead to unexpected network requests from the operating system. This also had the potential to leak NTLM credentials to the resource.<br>*This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.1, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), for affected systems. Impacting 4 products from mozilla, from mozilla, from mozilla and 1 other, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2023, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2023-06-02T17:15:11.237

Last Modified

2025-01-09T21:15:21.630

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.1 (HIGH)

Weaknesses

Type: Primary
NVD-CWE-noinfo
Type: Secondary
CWE-601

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mozilla	firefox	< 110.0	Yes
Application	mozilla	firefox_esr	< 102.8	Yes
Application	mozilla	thunderbird	< 102.8	Yes
Operating System	microsoft	windows	-	No

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1784451 Exploit, Issue Tracking, Vendor Advisory ([email protected])
https://bugzilla.mozilla.org/show_bug.cgi?id=1809923 Issue Tracking, Permissions Required ([email protected])
https://bugzilla.mozilla.org/show_bug.cgi?id=1810143 Issue Tracking, Permissions Required ([email protected])
https://bugzilla.mozilla.org/show_bug.cgi?id=1812338 Issue Tracking, Permissions Required ([email protected])
https://www.mozilla.org/security/advisories/mfsa2023-05/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2023-06/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2023-07/ Vendor Advisory ([email protected])
https://bugzilla.mozilla.org/show_bug.cgi?id=1784451 Exploit, Issue Tracking, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.mozilla.org/show_bug.cgi?id=1809923 Issue Tracking, Permissions Required (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.mozilla.org/show_bug.cgi?id=1810143 Issue Tracking, Permissions Required (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.mozilla.org/show_bug.cgi?id=1812338 Issue Tracking, Permissions Required (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2023-05/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2023-06/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2023-07/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For mozilla's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.