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cve[email protected]CVE-2020-27670
HistoryOct 22, 2020 - 9:15 p.m.

CVE-2020-27670

2020-10-2221:15:13
CWE-345
[email protected]
web.nvd.nist.gov
136
xen
cve-2020-27670
security
data corruption
denial of service
privilege escalation

CVSS2

6.9

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

CVSS3

7.8

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

AI Score

7.5

Confidence

High

EPSS

0

Percentile

14.2%

JSON

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.

Affected configurations

NVD
Node
xenxenRange≤4.14.0x86
Node
opensuseleapMatch15.1
OR
opensuseleapMatch15.2
Node
fedoraprojectfedoraMatch31
Node
debiandebian_linuxMatch10.0
VendorProductVersionCPE
xenxencpe:/o:xen:xen::::

Related

xen 1
cvelist 1
prion 1
debiancve 1
osv 2
nvd 1
redhatcve 1
veracode 1
ubuntucve 1
nessus 19
fedora 1
openvas 14
suse 4
debian 1
citrix 1
gentoo 1
xen
xen
unsafe AMD IOMMU page table updates
2020-10-20 11:49:00
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osv
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2020-10-22 21:15:13
xen - security update
2020-12-04 00:00:00
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2020-10-22 21:15:13
redhatcve
redhatcve
CVE-2020-27670
2020-10-23 19:05:02
veracode
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Privilege Escalation
2021-01-21 16:35:10
ubuntucve
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2020-10-22 00:00:00
nessus
nessus
Xen unsafe AMD IOMMU page table updates (XSA-347)
2021-05-06 00:00:00
openSUSE Security Update : xen (openSUSE-2020-1844)
2020-11-06 00:00:00
openSUSE Security Update : xen (openSUSE-2020-1783)
2020-11-02 00:00:00
fedora
fedora
[SECURITY] Fedora 31 Update: xen-4.12.3-8.fc31
2020-11-20 01:29:24
openvas
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SUSE: Security Advisory (SUSE-SU-2020:3050-1)
2021-04-19 00:00:00
SUSE: Security Advisory (SUSE-SU-2020:3088-1)
2021-04-19 00:00:00
SUSE: Security Advisory (SUSE-SU-2020:3051-1)
2021-06-09 00:00:00
suse
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Security update for xen (important)
2020-11-06 00:00:00
Security update for xen (important)
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debian
debian
[SECURITY] [DSA 4804-1] xen security update
2020-12-04 18:15:26
citrix
citrix
Citrix Hypervisor Security Update
2020-10-27 04:00:00
gentoo
gentoo
Xen: Multiple vulnerabilities
2020-11-11 00:00:00

CVSS2

6.9

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

CVSS3

7.8

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

AI Score

7.5

Confidence

High

EPSS

0

Percentile

14.2%

JSON
Related for CVE-2020-27670
xen1cvelist1prion1debiancve1osv2nvd1redhatcve1veracode1ubuntucve1nessus19fedora1openvas14suse4debian1citrix1gentoo1