CVE-2022-38744 — An unauthenticated attacker with network access to a victim's Rockwell Automatio

An unauthenticated attacker with network access to a victim's Rockwell Automation FactoryTalk Alarm and Events service could open a connection, causing the service to fault and become unavailable. The affected port could be used as a server ping port and uses messages struct

01What is this vulnerability?

An unauthenticated attacker with network access to a victim's Rockwell Automation FactoryTalk Alarm and Events service could open a connection, causing the service to fault and become unavailable. The affected port could be used as a server ping port and uses messages structured with XML.

02Affected products

Vendor	Product	Versions
Rockwell Automation	FactoryTalk Alarm and Events Server	All

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-10-27T13:25:17.957Z
• Last modified: 2025-05-05T15:38:28.146Z

09References

• rockwellautomation.custhelp.com — https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1136876