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Vulnerability record · CVE-2002-1374 · published 23 December 2002

CVE-2002-1374: Oracle mysql vulnerability

Oracle · Mysql

The COM_CHANGE_USER command in MySQL 3.x before 3.23.54, and 4.x before 4.0.6, allows remote attackers to gain privileges via a brute force attack using a one-character password, which causes MySQL to only compare the provided password against the first character of the real password.

7.5 CVSS 2.0 High EPSS 20% · top 2.6%
7.5CVSS 2.0 base score
20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
32References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

The COM_CHANGE_USER command in MySQL 3.x before 3.23.54, and 4.x before 4.0.6, allows remote attackers to gain privileges via a brute force attack using a one-character password, which causes MySQL to only compare the provided password against the first character of the real password.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000555
http://marc.info/?l=bugtraq&m=103971644013961&w=2
http://marc.info/?l=bugtraq&m=104004857201968&w=2
http://marc.info/?l=bugtraq&m=104005886114500&w=2
http://security.e-matters.de/advisories/042002.html
http://www.debian.org/security/2002/dsa-212
http://www.linuxsecurity.com/advisories/engarde_advisory-2660.html PatchVendor Advisory
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2002:087
http://www.novell.com/linux/security/advisories/2003_003_mysql.html
http://www.redhat.com/support/errata/RHSA-2002-288.html
http://www.redhat.com/support/errata/RHSA-2002-289.html
http://www.redhat.com/support/errata/RHSA-2003-166.html
http://www.securityfocus.com/advisories/5269
http://www.securityfocus.com/bid/6373 ExploitPatchVendor Advisory
http://www.trustix.net/errata/misc/2002/TSL-2002-0086-mysql.asc.txt
https://exchange.xforce.ibmcloud.com/vulnerabilities/10847
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000555
http://marc.info/?l=bugtraq&m=103971644013961&w=2
http://marc.info/?l=bugtraq&m=104004857201968&w=2
http://marc.info/?l=bugtraq&m=104005886114500&w=2
http://security.e-matters.de/advisories/042002.html
http://www.debian.org/security/2002/dsa-212
http://www.linuxsecurity.com/advisories/engarde_advisory-2660.html PatchVendor Advisory
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2002:087
http://www.novell.com/linux/security/advisories/2003_003_mysql.html
http://www.redhat.com/support/errata/RHSA-2002-288.html
http://www.redhat.com/support/errata/RHSA-2002-289.html
http://www.redhat.com/support/errata/RHSA-2003-166.html
http://www.securityfocus.com/advisories/5269
http://www.securityfocus.com/bid/6373 ExploitPatchVendor Advisory
http://www.trustix.net/errata/misc/2002/TSL-2002-0086-mysql.asc.txt
https://exchange.xforce.ibmcloud.com/vulnerabilities/10847

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2002-1374), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.