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Fencer Vulns
high 7.5

CVE-2025-52435 json

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

published 2026-01-10 9 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-1854

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 14%
public exploits
0
none known

Summary

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.

Patch / fix

  • apache nimble 1.9.0

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
9 mo ago

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

  • Apache Software Foundation Apache Mynewt NimBLE

Classification

Weakness
  • CWE-5 J2EE Misconfiguration: Data Transmission Without Encryption

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.