CVE-2018-14821

moderate-risk
Published 2018-09-20

Rockwell Automation RSLinx Classic Versions 4.00.01 and prior. This vulnerability may allow a remote, unauthenticated threat actor to intentionally send a malformed CIP packet to Port 44818, causing the RSLinx Classic application to terminate. The user will need to manually restart the software to regain functionality.

Do I need to act?

~
1.7% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Rockwellautomation

References (4)

Third Party Advisory https://ics-cert.us-cert.gov/advisories/ICSA-18-263-02
Exploit https://www.tenable.com/security/research/tra-2018-26
Third Party Advisory https://ics-cert.us-cert.gov/advisories/ICSA-18-263-02
Exploit https://www.tenable.com/security/research/tra-2018-26
35
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 4/34 · Minimal
Exposure 5/34 · Minimal