Description
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.
Scores
CVSS v3
8.8
EPSS
0.0091
EPSS Percentile
75.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-330
Status
published
Products (17)
wut/at-modem-emulator_firmware
< 1.48
wut/com-server_20ma_firmware
< 1.48
wut/com-server_\+\+_firmware
< 1.48
wut/com-server_highspeed_100basefx_firmware
< 1.76
wut/com-server_highspeed_100baselx_firmware
< 1.76
wut/com-server_highspeed_19\"_1port_firmware
< 1.76
wut/com-server_highspeed_19\"_4port_firmware
< 1.76
wut/com-server_highspeed_compact_firmware
< 1.76
wut/com-server_highspeed_industry_firmware
< 1.76
wut/com-server_highspeed_isolated_firmware
< 1.76
... and 7 more
Published
Nov 10, 2022
Tracked Since
Feb 18, 2026