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Fencer Intel
high 7.5

CVE-2005-0560 in the critical feed json

Heap-based buffer overflow in the SvrAppendReceivedChunk function in xlsasink.dll in the SMTP service of Exchange Server 2000 and 2003 allo…

published 21y ago modified 4mo ago also EUVD-2005-0561

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
73.0%
EPSS 73.0% chance of exploitation in 30 days, percentile 99.4%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

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Timeline

  1. Published
  2. First public exploit (EDB-947)

Exploit prediction

72.98% chance of exploitation in the next 30 days, higher than 99.4% of all scored CVEs (FIRST EPSS, 2026-11-14).

Exploits and checks

  • EDB-947 Microsoft Exchange Server - Remote Code Execution (MS05-021) remote, 2005-04-19

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.