How severe is CVE-2020-12030?

CVE-2020-12030 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-12030 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12030?

CVE-2020-12030 primarily affects Emerson Wireless 1410 Gateway Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-12030?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-12030 published?

CVE-2020-12030 was published on 2021-09-29 and last updated on 2026-06-17.

CVE-2020-12030

CVE-2020-12030 is a critical-severity vulnerability in Emerson Wireless 1410 Gateway Firmware with a CVSS 3.x base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
CVSS v2: 6.8
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Emerson Wireless 1410 Gateway Firmware
Published: 2021-09-29
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-12030?: 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.
How severe is CVE-2020-12030?: CVE-2020-12030 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-12030 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12030?: CVE-2020-12030 primarily affects Emerson Wireless 1410 Gateway Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-12030?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-12030 published?: CVE-2020-12030 was published on 2021-09-29 and last updated on 2026-06-17.

References

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

Affected products (3)

cpe:2.3:o:emerson:wireless_1410_gateway_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:emerson:wireless_1420_gateway_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:emerson:wireless_1552wu_gateway_firmware:*:*:*:*:*:*:*:*

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