CVE-2020-12030

10.0 criticalEPSS 1.1%

Critical (10.0) in emerson. EPSS 1.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

10.0 critical

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

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-10-31)
CWE: CWE-284
Published: 2021-09-29
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

emerson:wireless_1410_gateway_firmware
emerson:wireless_1420_gateway_firmware
emerson:wireless_1552wu_gateway_firmware

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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