CVE-2022-42785: critical vulnerability in Wiesemann & Theis AT-Modem-Emulator
Wiesemann & Theis: Authentication bypass in Com-Server family
Published · Updated
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28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.8epss 1.1%
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/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Wiesemann & Theis · AT-Modem-EmulatorWiesemann & Theis · Com-Server ++Wiesemann & Theis · Com-Server 20mAWiesemann & Theis · Com-Server Highspeed 100BaseFXWiesemann & Theis · Com-Server Highspeed 100BaseLXWiesemann & Theis · Com-Server Highspeed 19" 1PortWiesemann & Theis · Com-Server Highspeed 19" 4PortWiesemann & Theis · Com-Server Highspeed CompactWiesemann & Theis · Com-Server Highspeed IndustryWiesemann & Theis · Com-Server Highspeed IsolatedWiesemann & Theis · Com-Server Highspeed OEMWiesemann & Theis · Com-Server Highspeed Office 1 PortWiesemann & Theis · Com-Server Highspeed Office 4 PortWiesemann & Theis · Com-Server Highspeed PoEWiesemann & Theis · Com-Server LCWiesemann & Theis · Com-Server PoE 3 x IsolatedWiesemann & Theis · Com-Server ULRelated CVEs — Wiesemann & Theis AT-Modem-Emulator
In the same product, most dangerous first.
CVE-2022-42787HIGHWiesemann & Theis: Small number space for allocating session id in Com-Server familyEPSS 0.8%CVE-2022-42786MEDIUMWiesemann & Theis: XSS vulnerability in web interface of the Com-Server familyEPSS 0.5%CVE-2025-3200CRITICALCom-Server Exposed via Weak TLSEPSS 0.4%CVE-2022-4098HIGHWiesemann & Theis: Multiple products prone to missing authentication through spoofingEPSS 0.3%