The description above is MITRE’s definition of CWE-757 in CWE 4.20, a base-level weakness.
Common consequences MITRE lists
- Access Control: Bypass Protection Mechanism
Guides on this site
Lucky Thirteen and POODLE: two different oracles
Compare two CBC oracles by their signal, protocol rules, and attacker prerequisites instead of treating them as interchangeable padding bugs.
FREAK and Logjam: export-grade key exchange
Trace two export-grade downgrade paths and separate RSA factorization from finite-field Diffie–Hellman discrete logarithms.
Choose cryptographic algorithms and parameters by job
A sourced quick reference for October 2026: which algorithm and parameters to use for encryption, hashing, passwords, MACs, signatures, key agreement, key derivation, randomness and TLS, the matching APIs in Node.js, Python, Java, Go and .NET, and where post-quantum migration stands.
Practice
- Insecure randomness lab: Generate unguessable API keys · Browser lab
References
This page is generated from MITRE’s CWE 4.20 catalogue (released 30 April 2026) and lists every guide, fix card and lab here that cites CWE-757.
CWE content: Copyright © 2006–2026, The MITRE Corporation. CWE, CWSS, CWRAF, and the CWE logo are trademarks of The MITRE Corporation. CWE™ is free to use by any organization or individual for any research, development, and/or commercial purposes, per these CWE Terms of Use. Accordingly, The MITRE Corporation hereby grants you a non-exclusive, royalty-free license to use CWE for research, development, and commercial purposes. Any copy you make for such purposes is authorized on the condition that you reproduce MITRE’s copyright designation and this license in any such copy. CWE is a trademark of The MITRE Corporation. CWE Terms of Use.