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Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG)

CVE-2021-34600

Medium
5.5/10

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.

  • LOW
  • LOCAL
  • NONE
  • UNCHANGED
  • NONE
  • LOW
  • HIGH
  • NONE

CWE-335 - Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG)

The software uses a Pseudo-Random Number Generator (PRNG) but does not correctly manage seeds.

References

Advisory Timeline

  • Published