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    CVE-2003-1004

    Cisco PIX firewall 6.2.x through 6.2.3, when configured as a VPN Client, allows remote attackers to cause a denial of service (dropped IPSec tunnel connection) via an IKE Phase I negotiation request to the outside interface of the firewall.

    Published:Dec 17, 2003
    Last Modified:Apr 16, 2026
    EPS:Dec 17, 2003
    EPSS Score:0.00655
    CVSS Score:5

    Affected Products

    Vendor
    Cisco
    Product
    Pix Firewall
    Vendor
    Cisco
    Product
    Pix Firewall Software

    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-2006-3906 (CVSS 5) — Internet Key Exchange (IKE) version 1 protocol, as implemented on Cisco IOS, VPN 3000 Concentrators, and PIX f…
    CVE-2006-0515 (CVSS 7.5) — Cisco PIX/ASA 7.1.x before 7.1(2) and 7.0.x before 7.0(5), PIX 6.3.x before 6.3.5(112), and FWSM 2.3.x before …
    CVE-2005-4499 (CVSS 7.5) — The Downloadable RADIUS ACLs feature in Cisco PIX and VPN 3000 concentrators, when creating an ACL on the Cisc…
    CVE-2005-3669 (CVSS 5) — Multiple unspecified vulnerabilities in the Internet Key Exchange version 1 (IKEv1) implementation in multiple…
    CVE-2004-0079 (CVSS 7.5) — The do_change_cipher_spec function in OpenSSL 0.9.6c to 0.9.6k, and 0.9.7a to 0.9.7c, allows remote attackers …
    CVE-2004-0081 (CVSS 5) — OpenSSL 0.9.6 before 0.9.6d does not properly handle unknown message types, which allows remote attackers to c…
    CVE-2004-0112 (CVSS 5) — The SSL/TLS handshaking code in OpenSSL 0.9.7a, 0.9.7b, and 0.9.7c, when using Kerberos ciphersuites, does not…
    CVE-2003-1003 (CVSS 7.8) — Cisco PIX firewall 5.x.x, and 6.3.1 and earlier, allows remote attackers to cause a denial of service (crash a…
    CVE-2003-0851 (CVSS 5) — OpenSSL 0.9.6k allows remote attackers to cause a denial of service (crash via large recursion) via malformed …
    CVE-2002-0954 (CVSS 7.5) — The encryption algorithms for enable and passwd commands on Cisco PIX Firewall can be executed quickly due to …

    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