CVE-2000-1022

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 7.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2000-12-11 · updated 2026-06-16

Description

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.

Affected products

Cisco Pix Firewall Software: 4.2(1), 4.2(2), 4.2(5), 4.3, 4.4(4), 5.0 (+2)

References

http://archives.neohapsis.com/archives/bugtraq/2000-09/0222.html
http://archives.neohapsis.com/archives/bugtraq/2000-09/0241.html
http://www.cisco.com/warp/public/707/PIXfirewallSMTPfilter-pub.shtml
http://www.securityfocus.com/bid/1698
https://exchange.xforce.ibmcloud.com/vulnerabilities/5277
http://archives.neohapsis.com/archives/bugtraq/2000-09/0222.html
http://archives.neohapsis.com/archives/bugtraq/2000-09/0241.html
http://www.cisco.com/warp/public/707/PIXfirewallSMTPfilter-pub.shtml
http://www.securityfocus.com/bid/1698
https://exchange.xforce.ibmcloud.com/vulnerabilities/5277

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