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Vulnerability · Published Nov 10, 2022 · Assigned by CERTVDE

CVE-2022-42785Wiesemann & Theis: Authentication bypass in Com-Server family

Critical 9.8

In plain English

A critical-severity missing authentication in AT-Modem-Emulator from Wiesemann & Theis. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.1%top 34.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
Wiesemann & Theis Com-Server LC 1.0 – before 1.48
Wiesemann & Theis Com-Server PoE 3 x Isolated 1.0 – before 1.48
Wiesemann & Theis Com-Server 20mA 1.0 – before 1.48
Wiesemann & Theis Com-Server ++ 1.0 – before 1.48
Wiesemann & Theis AT-Modem-Emulator 1.0 – before 1.48
Wiesemann & Theis Com-Server UL 1.0 – before 1.48
Wiesemann & Theis Com-Server Highspeed 100BaseFX 1.0 – before 1.76
Wiesemann & Theis Com-Server Highspeed 100BaseLX 1.0 – before 1.76
Wiesemann & Theis Com-Server Highspeed Office 1 Port 1.0 – before 1.76
Wiesemann & Theis Com-Server Highspeed Office 4 Port 1.0 – before 1.76
Wiesemann & Theis Com-Server Highspeed Industry 1.0 – before 1.76
Wiesemann & Theis Com-Server Highspeed OEM 1.0 – before 1.76
Wiesemann & Theis Com-Server Highspeed Compact 1.0 – before 1.76
Wiesemann & Theis Com-Server Highspeed Isolated 1.0 – before 1.76
Wiesemann & Theis Com-Server Highspeed 19" 1Port 1.0 – before 1.76
Wiesemann & Theis Com-Server Highspeed 19" 4Port 1.0 – before 1.76
Wiesemann & Theis Com-Server Highspeed PoE 1.0 – before 1.76

Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References