Is CVE-2022-46487 in the CISA KEV catalog?

No. CVE-2022-46487 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-46487?

CVE-2022-46487 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2022-46487?

CVE-2022-46487 has an EPSS score of 0.60% (44th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-46487?

Upgrade scone to 5.8.0 or later.

CVE & CISA-KEV Catalog

CVE-2022-46487

HIGH

7.8

CVSS v3

NVD

Description

Improper initialization of x87 and SSE floating-point configuration registers in the __scone_entry component of SCONE before 5.8.0 for Intel SGX allows a local attacker to compromise the execution integrity of floating-point operations in an enclave or access sensitive information via side-channel analysis.

CWE-665

How to fix

Remediation Available

sconeNVD

Affected:< 5.8.0Fixed in:5.8.0CVE-2022-46487derived 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 VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.60%probability of exploitation in 30 days

44thpercentile

Moderate risk: more likely to be exploited than 44% of all known CVEs.

References

Exploit2

Third-Party Advisory2

Release Notes1

sconedocs.github.io

Technical Description1

intel.com

Related Vulnerabilities

Other CWE-665 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-0847	High	7.8	88%	KEV	Fix
CVE-2022-22719	High	7.5	70%	-	Fix
CVE-2020-28019	High	7.5	61%	-	Fix
CVE-2022-46164	Critical	9.4	49%	-	Fix
CVE-2022-37128	Critical	9.8	21%	-	-
CVE-2019-14271	Critical	9.8	19%	-	Fix

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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 2025-04-17.