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Fencer Intel
high 8.8

CVE-2016-6538 json

TrackR Bravo mobile application stores account passwords in cleartext

published 2018-07-06 8 y ago modified 2026-06-17 4 mo ago also EUVD-2016-7459

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 64%
public exploits
0
none known

Summary

The TrackR Bravo mobile app stores the account password used to authenticate to the cloud API in cleartext in the cache.db file. Updated apps, version 5.1.6 for iOS and 2.2.5 for Android, have been released by the vendor to address the vulnerabilities in CVE-2016-6538, CVE-2016-6539, CVE-2016-6540 and CVE-2016-6541.

Patch / fix

  • thetrackr trackr_bravo_firmware 2.2.5, 5.1.6

Exploit prediction

1.05% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • blog.rapid7.com https://blog.rapid7.com/2016/10/25/multiple-bluetooth-low-energy-ble-tracker-vulnerabilities/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 3.3 AV:A/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • TrackR Bravo Mobile Application

Classification

Weakness
  • CWE-313 Cleartext Storage in a File or on Disk
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-255 Credentials Management Errors

References

Sources

Fencer Intel 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.