CVE-2010-2090: IBM Communications Server

Medium severity, CVSS 5.0. EPSS: 1.7% chance of exploitation in the next 30 days.

The npb_protocol_error function in sna V5router64 in IBM Communications Server for Windows 6.1.3 and Communications Server for AIX (aka CSAIX or CS/AIX) in sna.rte before 6.3.1.2 allows remote attackers to cause a denial of service (daemon crash) via APPC data containing a GDSID variable with a GDS length that is too small.

Affected products

• IBM Communications Server: version 6.1.3 only; version 6.3.1.0 only

Published 2010-05-27. Last modified 2026-06-16.