CVE-2025-52435

Apache Mynewt NimBLE: Invalid error handling in pause encryption procedure in NimBLE controller

Published Jan 10, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:apache:nimble:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Weaknesses CWE-5
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Apache
Apache nimble
Vendors & Products Apache
Apache nimble
Type Values Removed Values Added
Description 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.
Title Apache Mynewt NimBLE: Invalid error handling in pause encryption procedure in NimBLE controller
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Jan 12, 2026, 7:07 PM
Reserved
Jun 16, 2025, 2:01 PM
Status
Analyzed
Published
Jan 10, 2026, 10:15 AM
Modified
Jun 17, 2026, 9:36 AM