CVE-2020-27253

7.5 highEPSS 1.9%

High (7.5) in rockwellautomation factorytalk linx. EPSS 1.9% chance of exploitation in the next 30 days.

A flaw exists in the Ingress/Egress checks routine of FactoryTalk Linx Version 6.11 and prior. This vulnerability could allow a remote, unauthenticated attacker to specifically craft a malicious packet resulting in a denial-of-service condition on the device.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.9% chance of exploitation in the next 30 days; higher than 79% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2020-11-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

rockwellautomation:factorytalk_linx

References

https://us-cert.cisa.gov/ics/advisories/icsa-20-329-01
https://us-cert.cisa.gov/ics/advisories/icsa-20-329-01

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