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Fencer Vulns
medium 5.0

CVE-2000-1027 json

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 wit…

published 2000-12-11 25 y ago modified 2026-09-23 46 d ago also EUVD-2000-1014

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.5%
EPSS 3.5% chance of exploitation in 30 days, percentile 89%
public exploits
1
Exploit-DB

Summary

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.

Timeline

  1. First public exploit (EDB-20369)
  2. Published

Exploit prediction

3.54% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-20369 Cisco PIX Firewall 5.2 - PASV Mode FTP Internal Address Disclosure remote, 2000-10-03
  • securityfocus.com http://www.securityfocus.com/bid/1877 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.