SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-42787

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.

HIGH 8.8EPSS 0.78%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.78%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.78% probability · 54th percentile
CISA KEV
Not listed
Weakness
CWE-330
Affected
wut/at-modem-emulator firmware · wut/com-server \+\+ firmware · wut/com-server 20ma 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 oem firmware · wut/com-server highspeed office 1port firmware · wut/com-server highspeed office 4port firmware · wut/com-server highspeed poe firmware · wut/com-server highspeed lc firmware · wut/com-server highspeed ul firmware · wut/com-server highspeed poe 3x isolated firmware
Source
info@cert.vde.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.