CWE-5: J2EE Misconfiguration: Data Transmission Without Encryption
Information sent over a network can be compromised while in transit. An attacker may be able to read or modify the contents if the data are sent in plaintext or are weakly encrypted.
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Overview
CWE-5 (J2EE Misconfiguration: Data Transmission Without Encryption) is a variant-level software weakness catalogued by MITRE in the Common Weakness Enumeration (CWE). It describes a recurring type of mistake that can lead to exploitable security vulnerabilities.
Real-world CVEs
2 recorded CVEs are caused by CWE-5 (J2EE Misconfiguration: Data Transmission Without Encryption). The highest-severity and most recent are shown first. 1 new CWE-5 CVE has been recorded so far in 2026 (1 in 2025).
Common consequences
What can happen when CWE-5 is exploited.
Read Application Data
Affects: Confidentiality
Modify Application Data
Affects: Integrity