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Fencer Vulns
high 7.5

CVE-2005-4155 json

registration.PHP in ATutor 1.5.1 pl2 allows remote attackers to execute arbitrary SQL commands via an e-mail address that ends in a NULL ch…

published 2005-12-11 20 y ago modified 2026-06-16 4 mo ago also EUVD-2005-4150

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 85%
public exploits
1
Exploit-DB

Summary

registration.PHP in ATutor 1.5.1 pl2 allows remote attackers to execute arbitrary SQL commands via an e-mail address that ends in a NULL character, which bypasses the PHP regular expression check. NOTE: it is possible that this is actually a bug in PHP code, in which case this should not be treated as a vulnerability in ATutor.

Timeline

  1. First public exploit (EDB-1298)
  2. Published

Exploit prediction

2.68% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-1298 ATutor 1.5.1pl2 - SQL Injection / Command Execution webapps, 2005-11-07
  • rgod.altervista.org http://rgod.altervista.org/atutor151pl2.html referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/15355/ 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

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.