Home/CWE/Behavioral Change in New Version or Environment
Weakness

Behavioral Change in New Version or Environment

CWE-439 · Base · Draft

A's behavior or functionality changes with a new version of A, or a new environment, which is not known (or manageable) by B.

△

Weakness Relationships

Where this weakness sits in the CWE hierarchy. Walk up to broader classes or down to more specific variants.
Parent of this (broader)
ChildOfCWE-435 · Improper Interaction Between Multiple Correctly-Behaving Entities
External lookups - second-class, for what we don’t hold ourselves
MITRE CWE
Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities
Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs
Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures
Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1
About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service
threatengine.sh  ·  Open-source threat intelligence platform  ·  100+ authoritative sources  ·  Every fact traces to its origin