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Fencer Vulns
high 7.5

CVE-2007-5771 json

Flatnuke 3 (aka FlatnuX) allows remote attackers to obtain administrative access via a myforum%00 cookie.

published 2007-11-01 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-5741

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.1%
EPSS 6.1% chance of exploitation in 30 days, percentile 93%
public exploits
1
Exploit-DB

Summary

Flatnuke 3 (aka FlatnuX) allows remote attackers to obtain administrative access via a myforum%00 cookie.

Timeline

  1. First public exploit (EDB-4562)
  2. Published

Exploit prediction

6.07% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-4562 Flatnuke 3 - Remote Cookie Manipulation / Privilege Escalation webapps, 2007-10-23
  • securityfocus.com http://www.securityfocus.com/bid/26157 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-264 Permissions, Privileges, and Access Controls

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.