CVE-2021-34600 - CVE House
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Status published Medium CVE-2021-34600

Telenot complex: Insecure AES Key Generation

Vulnerability Description

Telenot CompasX versions prior to 32.0 use a weak seed for random number generation leading to predictable AES keys used in the NFC tags used for local authorization of users. This may lead to total loss of trustworthiness of the installation.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • X41 D-SEC GmbH, Markus Vervier, Yasar Klawohn

References

Affected Vendor

Telenot Electronic GmbH

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Affected Software

CompasX
Vulnerable Versions:
unspecified

Timeline

Official Publish: January 20th, 2022
Last Modified: September 16th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weaknesses (CWE)

CWE-335

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.