CVE-2004-2657

CVE-2004-2657 is a low-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 1.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Mozilla Firefox 1.5.0.1, and possibly other versions, preserves some records of user activity even after uninstalling, which allows local users who share a Windows profile to view the records after a new installation of Firefox, as reported for the list of Passwords Never Saved web sites. NOTE: The vendor has disputed this issue, stating that "The uninstaller is primarily there to uninstall the application. It is not there to uninstall user data. For the moment I will stick by my module-owner decision.

Frequently asked questions

What is CVE-2004-2657?
Mozilla Firefox 1.5.0.1, and possibly other versions, preserves some records of user activity even after uninstalling, which allows local users who share a Windows profile to view the records after a new installation of Firefox, as reported for the list of Passwords Never Saved web sites. NOTE: The vendor has disputed this issue, stating that "The uninstaller is primarily there to uninstall the application. It is not there to uninstall user data. For the moment I will stick by my module-owner decision.
How severe is CVE-2004-2657?
CVE-2004-2657 has a CVSS 2.0 base score of 1.7, rated low severity.
Is CVE-2004-2657 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-2657?
CVE-2004-2657 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-2657?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-2657 published?
CVE-2004-2657 was published on 2004-12-31 and last updated on 2026-06-16.

References

Affected products (1)

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