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Fencer Vulns
critical 10.0

CVE-2004-0627 in the critical feed json

The check_scramble_323 function in MySQL 4.1.x before 4.1.3, and 5.0, allows remote attackers to bypass authentication via a zero-length sc…

published 2004-07-08 22 y ago modified 2026-06-16 4 mo ago also EUVD-2004-0626

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
69.6%
EPSS 69.6% chance of exploitation in 30 days, percentile 99.3%
public exploits
1
Exploit-DB

Summary

The check_scramble_323 function in MySQL 4.1.x before 4.1.3, and 5.0, allows remote attackers to bypass authentication via a zero-length scrambled string.

Patch / fix

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2004-0627 updated

MySQL: check_scramble_323 authentication bypass and buffer overflow

  • Red Hat Enterprise Linux 4 mysql Red Hat Enterprise Linux 5 mysql Red Hat Enterprise Linux 6 mysql, mysql-libs, mysql-test, mysql-bench, mysql-server, mysql-embedded
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. Published
  2. First public exploit (EDB-311)

Exploit prediction

69.65% chance of exploitation in the next 30 days, higher than 99.3% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-311 MySQL 4.1/5.0 - Zero-Length Password Authentication Bypass remote, 2004-07-10

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

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.