Vulnerability Details : 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.
Published 2022-11-10 12:15:11
Updated 2022-12-02 22:48:53
Source CERT VDE
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2022-42787

EPSS FAQ
0.32%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 70 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-42787

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
8.8
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
2.8
5.9
 CERT VDE
8.8
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
2.8
5.9
 NIST

CWE ids for CVE-2022-42787

  • The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.
    Assigned by:
    • info@cert.vde.com (Primary)
    • nvd@nist.gov (Secondary)

References for CVE-2022-42787

Products affected by CVE-2022-42787

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