CVE-1999-1235

CVE-1999-1235 is a medium-severity vulnerability in Microsoft Internet Explorer with a CVSS 2.0 base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Internet Explorer 5.0 records the username and password for FTP servers in the URL history, which could allow (1) local users to read the information from another user's index.dat, or (2) people who are physically observing ("shoulder surfing") another user to read the information from the status bar when the user moves the mouse over a link.

Frequently asked questions

What is CVE-1999-1235?
Internet Explorer 5.0 records the username and password for FTP servers in the URL history, which could allow (1) local users to read the information from another user's index.dat, or (2) people who are physically observing ("shoulder surfing") another user to read the information from the status bar when the user moves the mouse over a link.
How severe is CVE-1999-1235?
CVE-1999-1235 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-1999-1235 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1235?
CVE-1999-1235 affects Microsoft Internet Explorer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-1235?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-1235 published?
CVE-1999-1235 was published on 1999-08-25 and last updated on 2026-06-16.

References

Affected products (1)

More vulnerabilities in Microsoft Internet Explorer

All CVEs affecting Microsoft Internet Explorer →