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5.0

CVE-2001-0745: Netscape 4.7x may expose login and mailbox data

CVE-2001-0745 · published 25 years ago
Summary

A flaw in Netscape 4.7x lets a remote attacker use a web page’s script to read the address of the previous page (the referrer), which can reveal the user’s login name, mailbox location and where the program is installed. This could give an attacker private details about your email system. Upgrade to a newer browser or disable JavaScript on untrusted sites to protect yourself.

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
netscape messanger 4.7x
cpe:2.3:a:netscape:messanger:4.7x:*:*:*:*:*:*:*
Original advisory text
Netscape 4.7x allows remote attackers to obtain sensitive information such as the user's login, mailbox location and installation path via Javascript that accesses the mailbox: URL in the document....
Netscape 4.7x allows remote attackers to obtain sensitive information such as the user's login, mailbox location and installation path via Javascript that accesses the mailbox: URL in the document.referrer property.
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
2% chance of attack within 30 days
Timeline
Published18 Oct 2001
Updated3 Nov 2026
First seen29 Sep 2026
Sources
CVE-2001-0745 · NVD
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