CVE-2005-0560

Exchange Server 2000 and 2003 - Remote Code Execution via X-LINK2STATE SMTP Request

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2005-0560. PoCs published by Evgeny Pinchuk.

AI-analyzed exploit summary This exploit targets a heap overflow vulnerability in Microsoft Exchange 2000 SP3 via the X-LINK2STATE command. It sends crafted chunks to trigger the overflow and execute shellcode for remote code execution.

Description

Heap-based buffer overflow in the SvrAppendReceivedChunk function in xlsasink.dll in the SMTP service of Exchange Server 2000 and 2003 allows remote attackers to execute arbitrary code via a crafted X-LINK2STATE extended verb request to the SMTP port.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Evgeny Pinchuk · perlremotewindows
https://www.exploit-db.com/exploits/947

This exploit targets a heap overflow vulnerability in Microsoft Exchange 2000 SP3 via the X-LINK2STATE command. It sends crafted chunks to trigger the overflow and execute shellcode for remote code execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Microsoft Exchange 2000 SP3
No auth needed
Prerequisites: Network access to the target SMTP port (25) · Vulnerable Microsoft Exchange 2000 SP3 installation
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (8)

Core 8
Core References
Broken Link third-party-advisory x_refsource_iss
http://xforce.iss.net/xforce/alerts/id/193
Broken Link vdb-entry x_refsource_osvdb
http://www.osvdb.org/displayvuln.php?osvdb_id=15467
Patch, Vendor Advisory vendor-advisory x_refsource_ms
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2005/ms05-021
Patch, Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/14920/
Patch, Third Party Advisory, US Government Resource third-party-advisory x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/275193
Patch, Third Party Advisory, US Government Resource third-party-advisory x_refsource_cert
http://www.us-cert.gov/cas/techalerts/TA05-102A.html
Mailing List, Third Party Advisory mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=111393947713420&w=2

Scores

EPSS 0.7286
EPSS Percentile 98.8%

Details

CWE
CWE-787
Status published
Products (2)
microsoft/exchange_server 2000
microsoft/exchange_server 2003
Published May 02, 2005
Tracked Since Feb 18, 2026