CVE-2002-1123
Buffer overflow in the authentication function for Microsoft SQL Server 2000 and Microsoft...
CVE-2002-1123 is a high vulnerability (CVSS 7.5) in Microsoft Sql Server, published September 24, 2002. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 77.7%, the 99th percentile. No source names a fixed version.
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2002-1123- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2002-1123- Updated
- 2026-11-02
EUVDEUVD-2002-1111 No score
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.
- Record
EUVD-2002-1111- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wmvx-9r42-6cq7 No score
Buffer overflow in the authentication function for Microsoft SQL Server 2000 and Microsoft...
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.
- Record
GHSA-wmvx-9r42-6cq7- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | 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 |
| Metasploit | MS02-056 Microsoft SQL Server Hello Overflow | 2002-08-05 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD |
References
online.securityfocus.com/archive/1/286220
securityfocus.com/bid/5411
docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-056
ciac.org/ciac/bulletins/n-003.shtml
iss.net/security_center/static/9788.php
marc.info?l=bugtraq&m=102873609025020&w=2
nvd.nist.gov/vuln/detail/CVE-2002-1123
github.com/advisories/GHSA-wmvx-9r42-6cq7