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CVE-2000-1022 — HIGH severity vulnerability (The mailguard feature in Cisco Secure PIX Firewall 5.2(2) an)

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.

CVE IDCVE-2000-1022
SeverityHIGH
CVSS score7.5
CVSS vectorAV:N/AC:L/Au:N/C:P/I:P/A:P
CWENVD-CWE-Other
StatusModified
Published2000-12-11
Last modified2026-04-16
DescriptionThe 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.
SourceNIST National Vulnerability Database

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