{"id":"CVE-2025-52435","aliases":["EUVD-2026-1854","GHSA-5c5p-g26h-xx2f"],"status":"published","title":"Apache Mynewt NimBLE: Invalid error handling in pause encryption procedure in NimBLE controller","description":"J2EE Misconfiguration: Data Transmission Without Encryption vulnerability in Apache NimBLE.\n\nImproper 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.\nThis issue affects Apache NimBLE: through \u003c= 1.8.0.\n\nUsers are recommended to upgrade to version 1.9.0, which fixes the issue.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00237,"percentile":0.14919,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-5"],"published":"2026-01-10T09:47:10Z","modified":"2026-10-28T10:51:41Z","products":[{"vendor":"apache","product":"nimble"},{"vendor":"apache software foundation","product":"apache mynewt nimble"}],"references":[{"url":"https://github.com/apache/mynewt-nimble/commit/164f1c23c18a290908df76ed83fe848bfe4a4903","tags":["patch","Patch","fix"]},{"url":"https://github.com/apache/mynewt-nimble/commit/ec3d75e909fa6dcadf1836fefc4432794a673d18","tags":["patch","Patch","fix"]},{"url":"https://lists.apache.org/thread/ow8dzpsqfh9llfclh5fzh6z237brzc0s","tags":["vendor-advisory","Mailing List","Vendor Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/01/08/1","tags":["Mailing List","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-52435","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-5c5p-g26h-xx2f"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/52xxx/CVE-2025-52435.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-52435","title":"Apache Mynewt NimBLE: Invalid error handling in pause encryption procedure in NimBLE controller","description":"J2EE Misconfiguration: Data Transmission Without Encryption vulnerability in Apache NimBLE.\n\nImproper 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.\nThis issue affects Apache NimBLE: through \u003c= 1.8.0.\n\nUsers are recommended to upgrade to version 1.9.0, which fixes the issue.","status":"published","published":"2026-01-10T09:47:10.568Z","modified":"2026-01-12T19:07:07.593Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-5"],"updated_at":"2026-11-02T14:32:31.309974Z"}],"euvd":[{"id":"EUVD-2026-1854","description":"J2EE Misconfiguration: Data Transmission Without Encryption vulnerability in Apache NimBLE.\n\nImproper 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.\nThis issue affects Apache NimBLE: through \u003c= 1.8.0.\n\nUsers are recommended to upgrade to version 1.9.0, which fixes the issue.","status":"published","published":"2026-01-10T09:47:10Z","modified":"2026-01-12T19:07:07Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T19:48:53.22038Z"}],"ghsa":[{"id":"GHSA-5c5p-g26h-xx2f","title":"J2EE Misconfiguration: Data Transmission Without Encryption vulnerability in Apache NimBLE.\n...","description":"J2EE Misconfiguration: Data Transmission Without Encryption vulnerability in Apache NimBLE.\n\nImproper 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.\nThis issue affects Apache NimBLE: through \u003c= 1.8.0.\n\nUsers are recommended to upgrade to version 1.9.0, which fixes the issue.","status":"published","published":"2026-01-10T12:30:15Z","modified":"2026-01-12T21:31:38Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-5"],"updated_at":"2026-11-02T15:05:34.558577Z"}],"nvd":[{"id":"CVE-2025-52435","description":"J2EE Misconfiguration: Data Transmission Without Encryption vulnerability in Apache NimBLE.\n\nImproper 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.\nThis issue affects Apache NimBLE: through \u003c= 1.8.0.\n\nUsers are recommended to upgrade to version 1.9.0, which fixes the issue.","status":"published","published":"2026-01-10T10:15:50.32Z","modified":"2026-06-17T09:36:29.757Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-5"],"updated_at":"2026-11-02T14:11:56.616231Z"}],"osv":[{"id":"CVE-2025-52435","title":"Apache Mynewt NimBLE: Invalid error handling in pause encryption procedure in NimBLE controller","description":"J2EE Misconfiguration: Data Transmission Without Encryption vulnerability in Apache NimBLE.\n\nImproper 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.\nThis issue affects Apache NimBLE: through \u003c= 1.8.0.\n\nUsers are recommended to upgrade to version 1.9.0, which fixes the issue.","status":"published","published":"2026-01-10T09:47:10.568Z","modified":"2026-10-28T10:51:41.090880541Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:50.45326Z"}]}}