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    CVE-2000-0517

    Netscape 4.73 and earlier does not properly warn users about a potentially invalid certificate if the user has previously accepted the certificate for a different web site, which could allow remote attackers to spoof a legitimate web site by compromising that site's DNS information.

    Published:May 26, 2000
    Last Modified:Apr 16, 2026
    EPS:Oct 13, 2000
    EPSS Score:0.00954
    CVSS Score:5

    Affected Products

    Vendor
    Netscape
    Product
    Communicator

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2002-2284 (CVSS 6.4) — Netscape Communicator 4.0 through 4.79 allows remote attackers to bypass JVM security and execute arbitrary Ja…
    CVE-2002-1766 (CVSS 4.6) — Buffer overflow in Composer in Netscape 4.77 allows local users to overwrite process memory and execute arbitr…
    CVE-2002-2248 (CVSS 10) — Buffer overflow in the sun.awt.windows.WDefaultFontCharset Java class implementation in Netscape 4.0 allows re…
    CVE-2002-2308 (CVSS 5) — Netscape Communicator 6.2.1 allows remote attackers to cause a denial of service in client browsers via a webp…
    CVE-2002-2013 (CVSS 5) — Mozilla 0.9.6 and earlier and Netscape 6.2 and earlier allows remote attackers to steal cookies from another d…
    CVE-2002-2338 (CVSS 5) — The POP3 mail client in Mozilla 1.0 and earlier, and Netscape Communicator 4.7 and earlier, allows remote atta…
    CVE-2002-1204 (CVSS 5) — Netscape Communicator 4.x allows attackers to use a link to steal a user's preferences, including potentially …
    CVE-2002-0593 (CVSS 7.5) — Buffer overflow in Netscape 6 and Mozilla 1.0 RC1 and earlier allows remote attackers to cause a denial of ser…
    CVE-2001-0921 (CVSS 2.1) — Netscape 4.79 and earlier for MacOS allows an attacker with access to the browser to obtain passwords from for…
    CVE-2001-0596 (CVSS 7.5) — Netscape Communicator before 4.77 allows remote attackers to execute arbitrary Javascript via a GIF image whos…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High