CVE-2025-52435
January 10, 2026
J2EE Misconfiguration: Data Transmission Without Encryption vulnerability in Apache NimBLE.
Improper handling of Pause Encryption procedure on Link Layer results in a previously encrypted connection being left in un-encrypted state allowing an eavesdropper to observe the remainder of the exchange.
This issue affects Apache NimBLE: through <= 1.8.0.
Users are recommended to upgrade to version 1.9.0, which fixes the issue.
Affected Packages
https://github.com/apache/mynewt-nimble.git (GITHUB):
Affected version(s) >=nimble_1_0_0_rc1_tag <nimble_1_9_0_tagFix Suggestion:
Update to version nimble_1_9_0_tagRelated Resources (5)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
J2EE Misconfiguration: Data Transmission Without Encryption
EPSS
Base Score:
0.04
