Buffer overflow in the authentication function for Microsoft SQL Server 2000 and…
Priority HIGH 72Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.77712 99th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:data_engine:2000:*:*:*:*:*:*:* | 2000 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:sql_server:2000:*:*:*:*:*:*:* | 2000 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:sql_server:2000:sp1:*:*:*:*:*:* | 2000 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:sql_server:2000:sp2:*:*:*:*:*:* | 2000 sp2 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:data_engine:2000:*:*:*:*:*:*:* Versions 2000 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:sql_server:2000:*:*:*:*:*:*:* Versions 2000 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:sql_server:2000:sp1:*:*:*:*:*:* Versions 2000 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:sql_server:2000:sp2:*:*:*:*:*:* Versions 2000 sp2 Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2002-1123
- 2026-10-03 Alias added: GHSA-wmvx-9r42-6cq7
References
More Microsoft Data Engine vulnerabilities
- TI-2000-01197 The "sa" account is installed with a default null password on (1) Microsoft SQL Server… CVSS 2.0HIGH 10.0
- TI-2008-00076 Buffer overflow in the convert function in Microsoft SQL Server 2000 SP4, 2000 Desktop… CVSS 2.0HIGH 9.0
- TI-2002-00627 Multiple buffer overflows in the Resolution Service for Microsoft SQL Server 2000 and… CVSS 2.0HIGH 7.5
- TI-2002-00698 Microsoft SQL Server 7.0 and 2000 installs with weak permissions for extended stored… CVSS 2.0HIGH 10.0
- TI-2008-00096 Buffer overflow in Microsoft SQL Server 2005 SP1 and SP2, and 2005 Express Edition SP1… CVSS 2.0HIGH 9.0
- TI-2008-00097 Integer underflow in SQL Server 7.0 SP4, 2000 SP4, 2005 SP1 and SP2, 2000 Desktop Engine… CVSS 2.0HIGH 9.0
Sources
- CVE-2002-1123 · CVE Program
- CVE-2002-1123 · NVD
- FIRST EPSS
- GHSA-wmvx-9r42-6cq7 · GitHub Advisory Database · CC BY 4.0
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