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Fencer Intel
high 7.5

CVE-2012-1602 json

user.php in NextBBS 0.6 allows remote attackers to bypass authentication and gain administrator access by setting the userkey cookie to 1.

published 2012-10-01 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-1616

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

user.php in NextBBS 0.6 allows remote attackers to bypass authentication and gain administrator access by setting the userkey cookie to 1.

Exploit prediction

2.08% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • openwall.com http://www.openwall.com/lists/oss-security/2012/03/30/2 referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/52728 referenced PoC, tagged "exploit" by a source, unverified
  • archives.neohapsis.com http://archives.neohapsis.com/archives/bugtraq/2012-03/0135.html referenced PoC, tagged "exploit" by a source, unverified
  • waraxe.us http://www.waraxe.us/advisory-80.html referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.org http://packetstormsecurity.org/files/111250/NextBBS-0.6.0-Authentication-Bypass-SQL-Injection-XSS.html referenced PoC, tagged "exploit" by a source, unverified
  • openwall.com http://www.openwall.com/lists/oss-security/2012/03/29/8 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

References

Sources

Fencer Intel 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.