What’s Vulnerable › Vulnerabilities

CVE-2020-27279

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-01-06 · updated 2026-06-17
• Weakness: CWE-476

Description

A NULL pointer deference vulnerability has been identified in the protocol converter. An attacker could send a specially crafted packet that could reboot the device running Crimson 3.1 (Build versions prior to 3119.001).

Affected products

• Red Lion Controls Crimson (Windows configuration software): 3.1

References

• https://us-cert.cisa.gov/ics/advisories/icsa-21-005-04
• https://us-cert.cisa.gov/ics/advisories/icsa-21-005-04

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