CVE-2022-42787
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.
- Score
- CVSS 3.1 8.8 High
- Status
- Modified - info@cert.vde.com
- Published
- 2022-11-10
- Last modified
- 2025-05-01
- Weaknesses
- CWE-330
Affected products
- At-modem-emulator (Wiesemann Theis)
- Com-server (Wiesemann Theis)
- Com-server 20ma (Wiesemann Theis)
- Com-server Highspeed 100basefx (Wiesemann Theis)
- Com-server Highspeed 100baselx (Wiesemann Theis)
- Com-server Highspeed 19 1port (Wiesemann Theis)
- Com-server Highspeed 19 4port (Wiesemann Theis)
- Com-server Highspeed Compact (Wiesemann Theis)
- Com-server Highspeed Industry (Wiesemann Theis)
- Com-server Highspeed Isolated (Wiesemann Theis)
- Com-server Highspeed Oem (Wiesemann Theis)
- Com-server Highspeed Office 1 Port (Wiesemann Theis)
- Com-server Highspeed Office 4 Port (Wiesemann Theis)
- Com-server Highspeed Poe (Wiesemann Theis)
- Com-server Lc (Wiesemann Theis)
- Com-server Poe 3 X Isolated (Wiesemann Theis)
- Com-server Ul (Wiesemann Theis)
- At-modem-emulator Firmware (Wut)
- Com-server 20ma Firmware (Wut)
- Com-server ++ Firmware (Wut)
- Com-server Highspeed 100basefx Firmware (Wut)
- Com-server Highspeed 100baselx Firmware (Wut)
- Com-server Highspeed 19" 1port Firmware (Wut)
- Com-server Highspeed 19" 4port Firmware (Wut)
- Com-server Highspeed Compact Firmware (Wut)
- Com-server Highspeed Industry Firmware (Wut)
- Com-server Highspeed Isolated Firmware (Wut)
- Com-server Highspeed Lc Firmware (Wut)
- Com-server Highspeed Oem Firmware (Wut)
- Com-server Highspeed Office 1port Firmware (Wut)
- Com-server Highspeed Office 4port Firmware (Wut)
- Com-server Highspeed Poe 3x Isolated Firmware (Wut)
- Com-server Highspeed Poe Firmware (Wut)
- Com-server Highspeed Ul Firmware (Wut)
References
- https://cert.vde.com/de/advisories/VDE-2022-043