When was CVE-2020-27673 disclosed?

CVE-2020-27673 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-2020-27673 actively exploited?

CVE-2020-27673 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 10.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-27673?

CVE-2020-27673 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2020-27673?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-27673, 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-2020-27673

MEDIUMNVD 5.55.5—

5.5

An issue was discovered in the Linux kernel through 5.9.1, as used with Xen through 4.14.x. Guest OS users can cause a denial of service (host OS hang) via a high rate of events to dom0, aka CID-e99502f76271.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 10.8%
KEV: Not listed

References (18)

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/2021/01/19/6
cve@mitrehttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e99502f76271d6bc4e374fe368c50c67a1fd3070
cve@mitrehttps://github.com/torvalds/linux/commit/e99502f76271d6bc4e374fe368c50c67a1fd3070
cve@mitrehttps://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
cve@mitrehttps://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
cve@mitrehttps://security.gentoo.org/glsa/202011-06
cve@mitrehttps://xenbits.xen.org/xsa/advisory-332.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/2021/01/19/6
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e99502f76271d6bc4e374fe368c50c67a1fd3070
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/e99502f76271d6bc4e374fe368c50c67a1fd3070
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html

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CVE-2020-27673

Published

Last Modified

References (18)

Weakness Classification(1)

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-27673?

Same CWE

CVE-2020-27673

📅 Published

🔄 Last Modified

🔗 References (18)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-27673?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (18)

Frequently asked(5)

Related CVEs(same CWE)