What is CVE-2025-52435?

CVE-2025-52435 is a high-severity vulnerability in Apache Nimble, classified under CWE-5. CVSS score: 7.5/10. Published 2026-01-10.

How severe is CVE-2025-52435?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Apache Nimble

CVE-2025-52435

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 allowi…

EPSS: 0.002 (10.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Apache Nimble
Apache Software Foundation Mynewt Nimble — versions 0

Weakness classification (CWE)

CWE-5

References

security@apache.org (Patch, patch)
security@apache.org (Patch, patch)
security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2025-52435?: CVE-2025-52435 is a high-severity vulnerability in Apache Nimble, classified under CWE-5. CVSS score: 7.5/10. Published 2026-01-10.
How severe is CVE-2025-52435?: High severity. CVSS v3 base score is 7.5 out of 10.