CVE-2002-1374Mysql Vulnerability
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…
Published Dec 12, 2002 · Updated Mar 9, 2026
Key Facts
Patch immediately- CVE-2002-1374 is a high-severity vulnerability (CVSS 7.5 v2) affecting Mysql (Oracle), Netbackup Advanced Reporter (Symantec Veritas), Netbackup Global Data Manager (Symantec Veritas).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 20% probability of exploitation in the next 30 days.
- Fixed versions are available, including Mysql 3.23.49-8.2.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v2
7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS (30-day exploit likelihood)
20%
Higher than 97.4% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
38/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
- advisoryRHSA-2002:288
- advisoryRHSA-2002:289
- advisoryRHSA-2003:166
- patchESA-20021213-033
- patch6373
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.
Affected Products
63 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| MysqlOracle | 3.22.26, 3.22.27, 3.22.28, 3.22.29, 3.22.30, 3.22.32, 3.23.10, 3.23.2 | 3.23.49-8.2 |
| Netbackup Advanced ReporterSymantec Veritas | 3.4, 4.5, 4.5_fp1, 4.5_fp2, 4.5_fp3, 4.5_mp1, 4.5_mp2, 4.5_mp3 | n/a |
| Netbackup Global Data ManagerSymantec Veritas | 4.5, 4.5_fp1, 4.5_fp2, 4.5_fp3, 4.5_mp1, 4.5_mp2, 4.5_mp3 | n/a |
Patched Releases
Mysql
3.23.49-8.2
Timeline
Publicly disclosed
Dec 12, 2002
Last updated
Mar 9, 2026
References
- advisoryRHSA-2002:288
- advisoryRHSA-2002:289
- advisoryRHSA-2003:166
- patchESA-20021213-033
- patch6373
FAQ
Common Questions.
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.
Affected: Mysql (Oracle) versions 3.22.26, 3.22.27, 3.22.28, 3.22.29, 3.22.30, 3.22.32, 3.23.10, 3.23.2; Netbackup Advanced Reporter (Symantec Veritas) versions 3.4, 4.5, 4.5_fp1, 4.5_fp2, 4.5_fp3, 4.5_mp1, 4.5_mp2, 4.5_mp3; Netbackup Global Data Manager (Symantec Veritas) versions 4.5, 4.5_fp1, 4.5_fp2, 4.5_fp3, 4.5_mp1, 4.5_mp2, 4.5_mp3. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Mysql 3.23.49-8.2.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2002-1374 On Your Attack Surface?
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