VulnerabilityModified
CVE-2020-12030
If a user enables the VLAN setting, the internal gateway firewall becomes disabled resulting in exposure of all ports used by the gateway.
CRITICAL 10.0EPSS 1.13%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.13%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 10.0 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 1.13% probability · 65th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-284
- Affected
- emerson/wireless 1410 gateway firmware · emerson/wireless 1420 gateway firmware · emerson/wireless 1552wu gateway firmware
- Source
- ics-cert@hq.dhs.gov
References
- https://us-cert.cisa.gov/ics/advisories/icsa-20-135-02Third Party Advisory, US Government Resource
- https://us-cert.cisa.gov/ics/advisories/icsa-20-135-02Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.