CVE-2022-42787

EUVD-2022-45850
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CERTVDECNA
8.8 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 68%
Affected Products (NVD)
VendorProductVersion
wutat-modem-emulator_firmware
𝑥
< 1.48
wutcom-server_\+\+_firmware
𝑥
< 1.48
wutcom-server_20ma_firmware
𝑥
< 1.48
wutcom-server_highspeed_100basefx_firmware
𝑥
< 1.76
wutcom-server_highspeed_100baselx_firmware
𝑥
< 1.76
wutcom-server_highspeed_19\"_1port_firmware
𝑥
< 1.76
wutcom-server_highspeed_19\"_4port_firmware
𝑥
< 1.76
wutcom-server_highspeed_compact_firmware
𝑥
< 1.76
wutcom-server_highspeed_industry_firmware
𝑥
< 1.76
wutcom-server_highspeed_isolated_firmware
𝑥
< 1.76
wutcom-server_highspeed_oem_firmware
𝑥
< 1.76
wutcom-server_highspeed_office_1port_firmware
𝑥
< 1.76
wutcom-server_highspeed_office_4port_firmware
𝑥
< 1.76
wutcom-server_highspeed_poe_firmware
𝑥
< 1.76
wutcom-server_highspeed_lc_firmware
𝑥
< 1.48
wutcom-server_highspeed_ul_firmware
𝑥
< 1.48
wutcom-server_highspeed_poe_3x_isolated_firmware
𝑥
< 1.48
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://cert.vde.com/de/advisories/VDE-2022-043
https://cert.vde.com/de/advisories/VDE-2022-043