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CVE-2021-34600

Telenot complex: Insecure AES Key Generation

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 32.0
1 proof of concept on GitHub

Summary

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.

Timeline

  1. CVE published970 days (about 3 years)
  2. Record last updated

Affected versions

  • Telenot Electronic GmbH CompasX

    fixed in 32.0

References 2

x41-dsec.de

GitHub · x41sec/CVE-2021-34600