CVE-2017-12638

critical
Published 2017-10-03 · Modified 2026-05-13
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2
7.5
VIR risk
9.8

Description

Stack based buffer overflow in Ipswitch IMail server up to and including 12.5.5 allows remote attackers to execute arbitrary code via unspecified vectors in IMmailSrv, aka ETBL or ETCETERABLUE.

Predictions

Exploit likelihood
97%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://docs.ipswitch.com/_Messaging/IMailServer/v12.5.6/ReleaseNotes/index.htm#link8

Application impact

VendorProductVersionsFixed
ipswitchimail_server{"endIncluding":"12.5.5"}

References

CWEs

CWE-119

Verify integrity in audit chain (admin only). AS-IS.