CVE-2025-52435NVD

Vulnerability Summary

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.

Severity Level

HIGH(7.5)

Published Date

Jan 10, 2026

Last Modified

Jan 14, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

Data Pending

Root Weakness (CWE)

CWE-5: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v3.1 Base Metrics — Score 7.5 (HIGH)

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityNone

AvailabilityNone

Affected & Patched Versions

Affected Versions

Apache Nimble < 1.9.0

Patched Versions

Apache Nimble 1.9.0

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