CVE-2002-1123 EXPLOIT
7.5
HIGH · CVSS 2.0 · EPSS 77.7% (pctl 100)
Patch early
A public exploit exists.
Description
Buffer overflow in the authentication function for Microsoft SQL Server 2000 and Microsoft Desktop Engine (MSDE) 2000 allows remote attackers to execute arbitrary code via a long request to TCP port 1433, aka the "Hello" overflow.
Scoring
| CVSS | 7.5 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| EPSS | 77.71% — more likely to be exploited than 100% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2002-09-24 |
| Last modified | 2026-06-16 |
Affected (2)
| Vendor | Product |
|---|---|
| microsoft | data engine |
| microsoft | sql server |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Microsoft SQL Server - Hello Overflow (MS02-056) (Metasploit) | 2010-04-30 |
| exploit-db | Microsoft SQL Server 2000 - User Authentication Remote Buffer Overflow | 2002-08-06 |
References
- http://marc.info/?l=bugtraq&m=102873609025020&w=2
- http://online.securityfocus.com/archive/1/286220
- http://www.ciac.org/ciac/bulletins/n-003.shtml
- http://www.iss.net/security_center/static/9788.php
- http://www.securityfocus.com/bid/5411
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-056
- http://marc.info/?l=bugtraq&m=102873609025020&w=2
- http://online.securityfocus.com/archive/1/286220
- http://www.ciac.org/ciac/bulletins/n-003.shtml
- http://www.iss.net/security_center/static/9788.php
- http://www.securityfocus.com/bid/5411
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-056
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