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CVE-2022-42785

Wiesemann & Theis: Authentication bypass in Com-Server family

Multiple W&T products of the ComServer Series are prone to an authentication bypass. An unathenticated remote attacker, can log in without knowledge of the password by crafting a modified HTTP GET Request.

CVSS 3.1 · 9.8 Critical EPSS 1.2% KEV · Not listed
Vendors
Wut
Products
At-modem-emulator At-modem-emulator Firmware Com-server 20ma and 31 more
CVE-2022-42787

Wiesemann & Theis: Small number space for allocating session id in Com-Server family

Multiple W&T products of the Comserver Series use a small number space for allocating sessions ids. After login of an user an unathenticated remote attacker can brute force the users session id and get access to his account on the the device. As the user needs to log in for the attack to be successful a user interaction is required.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Wut
Products
At-modem-emulator At-modem-emulator Firmware Com-server 20ma and 31 more
CVE-2022-42786

Wiesemann & Theis: XSS vulnerability in web interface of the Com-Server family

Multiple W&T Products of the ComServer Series are prone to an XSS attack. An authenticated remote Attacker can execute arbitrary web scripts or HTML via a crafted payload injected into the title of the configuration webpage

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Vendors
Wut
Products
At-modem-emulator At-modem-emulator Firmware Com-server 20ma and 31 more
CVE-2022-4098

Wiesemann & Theis: Multiple products prone to missing authentication through spoofing

Multiple Wiesemann&Theis products of the ComServer Series are prone to an authentication bypass through IP spoofing. After a user logged in to the WBM of the Com-Server an unauthenticated attacker in the same subnet can obtain the session ID and through IP spoofing change arbitrary settings by crafting modified HTTP Get requests. This may result in a complete takeover of the device.

CVSS 3.1 · 8 High EPSS < 1% KEV · Not listed
Vendors
Wut
Products
Com-server 20ma Com-server 20ma Firmware Com-server \+\+ and 29 more