CVE-2022-42787

Wiesemann & Theis: Small number space for allocating session id in Com-Server family

Published Nov 10, 2022 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD 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.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
CERTVDE
Published
Updated
May 1, 2025, 7:01 PM
Reserved
Oct 11, 2022, 1:32 PM
Status
Modified
Published
Nov 10, 2022, 12:15 PM
Modified
Jun 17, 2026, 5:05 AM