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Observable Discrepancy


Severity High
Score 7.5/10


A flaw was found in the python cryptography package versions prior to 42.0.0. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data. This issue is an incomplete fix of CVE-2020-25659.

  • LOW
  • NONE
  • NONE
  • NONE
  • HIGH
  • NONE

CWE-203 - Observable Discrepancy

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

Advisory Timeline

  • Published