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.
Published 2002-09-24 04:00:00
Updated 2018-10-12 21:31:56
Source MITRE
View at NVD,   CVE.org
Vulnerability category: OverflowExecute code

Threat overview for CVE-2002-1123

Top countries where our scanners detected CVE-2002-1123
Top open port discovered on systems with this issue 1433
IPs affected by CVE-2002-1123 337
Threat actors abusing to this issue? Yes
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Exploit prediction scoring system (EPSS) score for CVE-2002-1123

Probability of exploitation activity in the next 30 days EPSS Score History
~ 99 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2002-1123

  • MS02-056 Microsoft SQL Server Hello Overflow
    Disclosure Date: 2002-08-05
    First seen: 2020-04-26
    By sending malformed data to TCP port 1433, an unauthenticated remote attacker could overflow a buffer and possibly execute code on the server with SYSTEM level privileges. This module should work against any vulnerable SQL Server 2000 or MSDE install (< SP

CVSS scores for CVE-2002-1123

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen

Products affected by CVE-2002-1123

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