CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2019-18671
Critical (9.8) in keepkey keepkey firmware. EPSS 3.3% chance of exploitation in the next 30 days.
Insufficient checks in the USB packet handling of the ShapeShift KeepKey hardware wallet before firmware 6.2.2 allow out-of-bounds writes in the .bss segment via crafted messages. The vulnerability could allow code execution or other forms of impact. It can be triggered by unauthenticated attackers and the interface is reachable via WebUSB.
Severity
- EPSS
- 3.3% chance of exploitation in the next 30 days; higher than 88% of CVEs (scores of 2026-10-31)
- CWE
- CWE-787
- Published
- Modified
- Record from
- the NVD, synced
Affected
- keepkey:keepkey_firmware
References
- https://blog.inhq.net/posts/keepkey-CVE-2019-18671/
- https://github.com/keepkey/keepkey-firmware/commit/b222c66cdd7c3203d917c80ba615082d309d80c3
- https://medium.com/shapeshift-stories/keepkey-release-notes-v-6f7d2ec78065
- https://medium.com/shapeshift-stories/shapeshift-security-update-8ec89bb1b4e3
- https://blog.inhq.net/posts/keepkey-CVE-2019-18671/