high7.5
CVE-2025-52435
J2EE Misconfiguration: Data Transmission Without Encryption vulnerability in Apache NimBLE.
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Apache | Nimble | before 1.9.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/apache/mynewt-nimble/commit/164f1c23c18a290908df76ed83fe848bfe4a4903
- https://github.com/apache/mynewt-nimble/commit/ec3d75e909fa6dcadf1836fefc4432794a673d18
- https://lists.apache.org/thread/ow8dzpsqfh9llfclh5fzh6z237brzc0s
- http://www.openwall.com/lists/oss-security/2026/01/08/1