Is CVE-2018-10471 in the CISA KEV catalog?

No. CVE-2018-10471 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-10471?

CVE-2018-10471 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2018-10471?

CVE-2018-10471 has an EPSS score of 0.43% (34th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-10471?

Upgrade xen on debian 11 to 4.8.3+xsa262+shim4.10.0+comet3-1+deb9u6 or later.

CVE & CISA-KEV Catalog

CVE-2018-10471

MEDIUM

6.5

CVSS v3

NVD

Description

An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (out-of-bounds zero write and hypervisor crash) via unexpected INT 80 processing, because of an incorrect fix for CVE-2017-5754.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

xenDebian

Fixed in:4.8.3+xsa262+shim4.10.0+comet3-1+deb9u6CVE-2018-10471

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

ScopeChanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Exploit Intelligence

0.43%probability of exploitation in 30 days

34thpercentile

Low risk: more likely to be exploited than 34% of all known CVEs.

References

Vendor Advisory1

xenbits.xen.org

Third-Party Advisory2

Other references2

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	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 2024-11-21.