Unrated severityNVD Advisory· Published Dec 11, 2000· Updated Jun 16, 2026

CVE-2000-1027

Description

Cisco Secure PIX Firewall 5.2(2) allows remote attackers to determine the real IP address of a target FTP server by flooding the server with PASV requests, which includes the real IP address in the response when passive mode is established.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Cisco Systems, Inc./Pix Firewall Software
cpe:2.3:o:cisco:pix_firewall_software:5.2:*:*:*:*:*:*:*
Cisco Systems, Inc./Secure Pix Firewallllm-fuzzy
Range: =5.2(2)

Patches

Vulnerability mechanics

References

www.securityfocus.com/bid/1877nvdExploitVendor Advisory
marc.infonvd
www.osvdb.org/1623nvd
exchange.xforce.ibmcloud.com/vulnerabilities/5646nvd

News mentions

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