Is CVE-2019-18672 in the CISA KEV catalog?

No. CVE-2019-18672 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-18672?

CVE-2019-18672 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2019-18672?

CVE-2019-18672 has an EPSS score of 0.78% (51th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-18672?

Upgrade keepkey firmware to 6.2.2 or later.

CVE & CISA-KEV Catalog

CVE-2019-18672

HIGH

7.5

CVSS v3

NVD

Description

Insufficient checks in the finite state machine of the ShapeShift KeepKey hardware wallet before firmware 6.2.2 allow a partial reset of cryptographic secrets to known values via crafted messages. Notably, this breaks the security of U2F for new server registrations and invalidates existing registrations. This vulnerability can be exploited by unauthenticated attackers and the interface is reachable via WebUSB.

CWE-354

How to fix

Remediation Available

keepkey firmwareNVD

Affected:< 6.2.2Fixed in:6.2.2CVE-2019-18672derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploit Intelligence

0.78%probability of exploitation in 30 days

51stpercentile

Moderate risk: more likely to be exploited than 51% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory2

Other references1

blog.inhq.net

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.