The use of cryptanalytic techniques to derive cryptographic keys or otherwise effectively defeat cellular encryption to reveal traffic content. Some cellular encryption algorithms such as A5/1 and A5/2 (specified for GSM use) are known to be vulnerable to such attacks and commercial tools are available to execute these attacks and decrypt mobile phone conversations in real-time. Newer encryption algorithms in use by UMTS and LTE are stronger and currently believed to be less vulnerable to these types of attacks. Note, however, that an attacker with a Cellular Rogue Base Station can force the use of weak cellular encryption even by newer mobile devices.

https://capec.mitre.org/data/definitions/608.html

Related CWE definitions

The product uses a broken or risky cryptographic algorithm or protocol.
Please note that CAPEC definitions are provided as a quick reference only. Visit http://capec.mitre.org/ for a complete list of CAPEC entries and more information.
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