High severity7.5NVD Advisory· Published Sep 20, 2018· Updated Jun 17, 2026
CVE-2018-14821
CVE-2018-14821
Description
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.
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Affected products
2<=4.00.01+ 1 more
- (no CPE)range: <=4.00.01
- (no CPE)range: 4.00.01 and prior
Patches
Vulnerability mechanics
References
2- www.tenable.com/security/research/tra-2018-26nvdExploitThird Party Advisory
- ics-cert.us-cert.gov/advisories/ICSA-18-263-02nvdThird Party AdvisoryUS Government Resource
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