CVE-2023-25740: mozilla firefox Insufficiently Protected Credentials
Vulnerability summary
CVE-2023-25740 is a high (CVSS 8.8) Insufficiently Protected Credentials vulnerability in mozilla firefox. EPSS estimates a 0.52% chance of exploitation in the next 30 days, higher than 43.1% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 02-06-2023PublishedVulnerability first disclosed.
- 09-01-2025Last modifiedVulnerability information updated.
Description
After downloading a Windows <code>.scf</code> script 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 for Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 110.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.52%
Chance of exploitation in the next 30 days
Percentile
43%
Versus all other CVEs
30-day change
0.00 pp
From 0.52% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Mozilla1 product
- firefox≥ unspecified, < 110 | < 110.0
1 vendor · 1 product
References
2 links- www.mozilla.org/security/advisories/mfsa2023-05/Vendor Advisory