What’s Vulnerable › Vulnerabilities

CVE-2020-12030: Emerson WirelessHART Gateway

• Severity: critical (CVSS 10.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-09-29 · updated 2026-06-17
• Weakness: CWE-284

Description

There is a flaw in the code used to configure the internal gateway firewall when the gateway's VLAN feature is enabled. If a user enables the VLAN setting, the internal gateway firewall becomes disabled resulting in exposure of all ports used by the gateway.

Affected products

• Emerson Wireless 1410 Gateway Firmware: from 4.6.43 through 4.7.84
• Emerson Wireless 1420 Gateway Firmware: from 4.6.43 through 4.7.84
• Emerson Wireless 1552Wu Gateway Firmware: from 4.6.43 through 4.7.84

References

• https://us-cert.cisa.gov/ics/advisories/icsa-20-135-02
• https://us-cert.cisa.gov/ics/advisories/icsa-20-135-02

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