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nvd[email protected]NVD:CVE-2020-27671
HistoryOct 22, 2020 - 9:15 p.m.

CVE-2020-27671

2020-10-2221:15:13
[email protected]
web.nvd.nist.gov

6.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

14.3%

JSON

An issue was discovered in Xen through 4.14.x allowing x86 HVM and PVH guest OS users to cause a denial of service (data corruption), cause a data leak, or possibly gain privileges because coalescing of per-page IOMMU TLB flushes is mishandled.

Affected configurations

NVD
Node
xenxenRange4.2.0–4.14.0
Node
opensuseleapMatch15.1
OR
opensuseleapMatch15.2
Node
debiandebian_linuxMatch10.0
Node
fedoraprojectfedoraMatch31

Related

cvelist 2
redhatcve 2
veracode 2
xen 1
osv 3
cve 2
debiancve 2
nessus 19
ubuntucve 2
prion 2
nvd 1
suse 4
openvas 14
fedora 1
debian 1
citrix 1
gentoo 1
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2021-01-21 16:35:11
Privilege Escalation
2021-01-21 16:27:28
xen
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undue deferral of IOMMU TLB flushes
2020-10-20 11:49:00
osv
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openSUSE Security Update : xen (openSUSE-2020-1783)
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openSUSE Security Update : xen (openSUSE-2020-1844)
2020-11-06 00:00:00
ubuntucve
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openvas
openvas
SUSE: Security Advisory (SUSE-SU-2020:3051-1)
2021-06-09 00:00:00
openSUSE: Security Advisory for xen (openSUSE-SU-2020:1783-1)
2020-11-03 00:00:00
SUSE: Security Advisory (SUSE-SU-2020:3049-1)
2021-06-09 00:00:00
fedora
fedora
[SECURITY] Fedora 31 Update: xen-4.12.3-8.fc31
2020-11-20 01:29:24
debian
debian
[SECURITY] [DSA 4804-1] xen security update
2020-12-04 18:15:26
citrix
citrix
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2020-10-27 04:00:00
gentoo
gentoo
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2020-11-11 00:00:00

6.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

14.3%

JSON
Related for NVD:CVE-2020-27671
cvelist2redhatcve2veracode2xen1osv3cve2debiancve2nessus19ubuntucve2prion2nvd1suse4openvas14fedora1debian1citrix1gentoo1