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Fencer Vulns
high 7.5

CVE-2004-1166 in the critical feed json

CRLF injection vulnerability in Microsoft Internet Explorer 6.0.2800.1106 and earlier allows remote attackers to execute arbitrary FTP comm…

published 2004-12-10 21 y ago modified 2026-06-16 4 mo ago also EUVD-2004-1164

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
39.2%
EPSS 39.2% chance of exploitation in 30 days, percentile 98%
public exploits
1
Exploit-DB

Summary

CRLF injection vulnerability in Microsoft Internet Explorer 6.0.2800.1106 and earlier allows remote attackers to execute arbitrary FTP commands via an ftp:// URL that contains a URL-encoded newline ("%0a") before the FTP command, which causes the commands to be inserted into the resulting FTP session, as demonstrated using a PORT command.

Timeline

  1. First public exploit (EDB-24800)
  2. Published

Exploit prediction

39.16% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-24800 Microsoft Internet Explorer 5.0.1 - FTP URI Arbitrary FTP Server Command Execution remote, 2004-12-06
  • securityfocus.com http://www.securityfocus.com/bid/11826 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

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.