What’s Vulnerable › Vulnerabilities

CVE-2020-27251

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-11-26 · updated 2026-06-17
• Weakness: CWE-122

Description

A heap overflow vulnerability exists within FactoryTalk Linx Version 6.11 and prior. This vulnerability could allow a remote, unauthenticated attacker to send malicious port ranges, which could result in remote code execution.

Affected products

• Rockwell Automation FactoryTalk Linx: through 6.11

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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