Critical severity · published Sep 29, 2021
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
10.0
CVSS
1.1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
W1
Wireless 1410 Gateway Firmware · Emerson
4.6.43 through 4.7.84 · source: NVD
W1
Wireless 1420 Gateway Firmware · Emerson
4.6.43 through 4.7.84 · source: NVD
W1
Wireless 1552wu Gateway Firmware · Emerson
4.6.43 through 4.7.84 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-12030
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-12030
Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-20-135-02
More from Wireless 1410 Gateway Firmware
8.8
CVE-2021-42542
The affected product is vulnerable to directory traversal due to mishandling of provided backup folder structure
8.8
CVE-2021-42540
The affected product is vulnerable to a unsanitized extract folder for system configuration
8.8
CVE-2021-42539
The affected product is vulnerable to a missing permission validation on system backup restore, which could lead to account take over and unapproved settings change
8.8
CVE-2021-42538
The affected product is vulnerable to a parameter injection via passphrase, which enables the attacker to supply uncontrolled input
8.8
CVE-2021-38485
The affected product is vulnerable to improper input validation in the restore file