CVE-2022-42787
highpriority · track · 0OT risk · elevatedEPSS 0.008 · 56 %ileDEEUUSEPSS · scored 2026-10-26
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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- Fixedwut_psirt
- Update Com-Server Family to version 1.48 or higher. - Update the Com-Server Highspeed Family to version 1.76 or higher.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.8–9.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (66)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- VDE-2022-043Wiesemann & Theis: Multiple Vulnerabilities in the Com-Server Family2022-11-07csaf · wut_psirtDE
Multiple Wiesemann & Theis product families are affected by multiple vulnerabilities in the web interface.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://cert.vde.com/de/advisories/VDE-2022-043cnnvd
- https://cxsecurity.com/cveshow/CVE-2022-42787/cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2022-42787cnnvd
- https://www.wut.de/Patchcnnvd
- https://cert.vde.com/de/advisories/VDE-2022-043enisa_euvd
- https://cert.vde.com/de/advisories/VDE-2022-043Vendor Advisorynvd
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