An Improper Input Validation issue was discovered in Rockwell Automation FactoryTalk Alarms and Events, Version 2.90 and earlier. An unauthenticated attacker with remote access to a network with FactoryTalk Alarms and Events can send a specially crafted set of packets packet to Port 403/TCP (the history archiver service), causing the service to either stall or terminate.
Severity
CVSS 3.0
7.5 high
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
4.2% chance of exploitation in the next 30 days; higher than 90% of CVEs (scores of 2026-10-31)