Improper input validation in Keepkey
CVE-2022-30330
In the KeepKey firmware before 7.3.2,Flaws in the supervisor interface can be exploited to bypass important security restrictions on firmware operations. Using these flaws, malicious firmware code can elevate privileges, permanently make the device inoperable or overwrite the trusted bootloader code to compromise the hardware wallet across reboots or storage wipes.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (43.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/keepkey/keepkey-firmware/releases/tag/v7.3.2 (Third Party Advisory, Release Notes)
- github.com/keepkey/keepkey-firmware/commit/447c1f038a31378ab9589965c098467d9ea6… (Patch, Third Party Advisory)
- blog.inhq.net/posts/keepkey-CVE-2022-30330/ (Exploit, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-30330?
- CVE-2022-30330 is a medium-severity vulnerability in Keepkey, classified under Improper Input Validation. CVSS score: 6.6/10. Published 2022-05-07.
- How severe is CVE-2022-30330?
- Medium severity. CVSS v3 base score is 6.6 out of 10.
- Is CVE-2022-30330 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.