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5.0

Internet Explorer 5 can let attackers read any file

CVE-1999-0891 · published 27 years ago
Summary

Internet Explorer 5’s download feature can be tricked into showing any file on a server when a malicious link redirects the request. This means a remote attacker could view confidential documents or data. Upgrade to a newer browser or disable the affected feature to protect your information.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
microsoft internet_explorer 5.0
cpe:2.3:a:microsoft:internet_explorer:5.0:*:*:*:*:*:*:*
Original advisory text
The "download behavior" in Internet Explorer 5 allows remote attackers to read arbitrary files via a server-side redirect.
The "download behavior" in Internet Explorer 5 allows remote attackers to read arbitrary files via a server-side redirect.
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker partial control (estimated)
Severity
5.0 Medium
Exploitation
42% chance of attack within 30 days
Type
CWE-94Code Injection
Timeline
Published1 Sep 1999
Updated1 Nov 2026
First seen29 Sep 2026
Sources
CVE-1999-0891 · NVD
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