When was CVE-2020-27670 disclosed?

CVE-2020-27670 was first published in the National Vulnerability Database on October 22, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-27670 actively exploited?

CVE-2020-27670 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 13.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-27670?

CVE-2020-27670 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2020-27670?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-27670, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

CVE-2020-27670

HIGHNVD 7.87.8—

7.8

An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a denial of service (data corruption), cause a data leak, or possibly gain privileges because an AMD IOMMU page-table entry can be half-updated.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 13.9%
KEV: Not listed

References (16)

cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2020-10/msg00075.html
cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2020-11/msg00025.html
cve@mitrehttp://www.openwall.com/lists/oss-security/2021/01/19/9
cve@mitrehttp://xenbits.xen.org/xsa/advisory-347.html
cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XIK57QJOVOPWH6RFRNMGOBCROBCKMDG2/
cve@mitrehttps://security.gentoo.org/glsa/202011-06
cve@mitrehttps://www.debian.org/security/2020/dsa-4804
cve@mitrehttps://xenbits.xen.org/xsa/advisory-347.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00075.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00025.html
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/01/19/9
af854a3a-2127-422b-91ae-364da2661108http://xenbits.xen.org/xsa/advisory-347.html
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XIK57QJOVOPWH6RFRNMGOBCROBCKMDG2/
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202011-06
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2020/dsa-4804

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CVE-2020-27670

Published

Last Modified

References (16)

Weakness Classification(1)

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-27670?

Same CWE

CVE-2020-27670

📅 Published

🔄 Last Modified

🔗 References (16)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-27670?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (16)

Frequently asked(5)

Related CVEs(same CWE)