7.5
CWE
NVD-CWE-Other
Advisory Published
CVE Published
Updated

CVE-2000-1022

First published: Mon Dec 11 2000(Updated: )

The mailguard feature in Cisco Secure PIX Firewall 5.2(2) and earlier does not properly restrict access to SMTP commands, which allows remote attackers to execute restricted commands by sending a DATA command before sending the restricted commands.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Cisco PIX Firewall=5.2
Cisco PIX Firewall=4.3
Cisco PIX Firewall=4.2\(1\)
Cisco PIX Firewall=4.4\(4\)
Cisco PIX Firewall=5.1
Cisco PIX Firewall=4.2\(5\)
Cisco PIX Firewall=4.2\(2\)
Cisco PIX Firewall=5.0

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Frequently Asked Questions

  • What is the severity of CVE-2000-1022?

    CVE-2000-1022 is considered a critical vulnerability that could allow remote attackers to execute restricted SMTP commands.

  • How do I fix CVE-2000-1022?

    To fix CVE-2000-1022, upgrade the Cisco Secure PIX Firewall to a version later than 5.2(2) or apply the recommended patches.

  • What versions of Cisco PIX Firewall are affected by CVE-2000-1022?

    CVE-2000-1022 affects Cisco PIX Firewall versions 5.2(2) and earlier, including multiple earlier 4.x releases.

  • What is the impact of exploiting CVE-2000-1022?

    Exploiting CVE-2000-1022 allows attackers to gain unauthorized access to features of the firewall by bypassing command restrictions.

  • How can I mitigate the risks associated with CVE-2000-1022 if I cannot upgrade?

    If you cannot upgrade, implement strict network controls and monitor traffic to the SMTP service to reduce exposure to CVE-2000-1022.

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