CVE-2025-52435
Apache Mynewt NimBLE: Invalid error handling in pause encryption procedure in NimBLE controller
- State
- Published
- Severity
- 7.5 High
- Published
- Jan 10, 2026
- Updated
- Jan 12, 2026
- Reserved
- Jun 16, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | CISA-ADP |
Weaknesses
- CWE-5 J2EE Misconfiguration: Data Transmission Without Encryption
Affected Products
| Product | Versions |
|---|---|
Apache Mynewt NimBLEApache Software Foundation |
|
References
- https://github.com/apache/mynewt-nimble/commit/164f1c23c18a290908df76ed83fe848bfe4a4903patch
- https://github.com/apache/mynewt-nimble/commit/ec3d75e909fa6dcadf1836fefc4432794a673d18patch
- https://lists.apache.org/thread/ow8dzpsqfh9llfclh5fzh6z237brzc0svendor-advisory
- http://www.openwall.com/lists/oss-security/2026/01/08/1
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