Lucene search
K
Database
Vendors
Products
Years
CVSS
Scanner
Agent Scanning
API Scanning
Manual Audit
Perimeter Scanner
Scanning
Projects
Email
Webhook
Plugins
Resources
Documents
Blog
Glossary
FAQ
Pricing
Contacts
About Us
Partners
Branding Guideline
cve[email protected]CVE-2020-27674
HistoryOct 22, 2020 - 9:15 p.m.

CVE-2020-27674

2020-10-2221:15:14
CWE-787
[email protected]
web.nvd.nist.gov
120
xen
security vulnerability
cve-2020-27674
guest os
kernel memory
nvd
invlpg-like attack

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

5.3 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

5.9 Medium

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

17.6%

JSON

An issue was discovered in Xen through 4.14.x allowing x86 PV guest OS users to gain guest OS privileges by modifying kernel memory contents, because invalidation of TLB entries is mishandled during use of an INVLPG-like attack technique.

Affected configurations

NVD
Node
xenxenRange≤4.14.0x86
Node
fedoraprojectfedoraMatch31
OR
fedoraprojectfedoraMatch32
OR
fedoraprojectfedoraMatch33
Node
debiandebian_linuxMatch10.0
CPENameOperatorVersion
xen:xenxenle4.14.0

Related

cvelist 1
openvas 10
nessus 15
ubuntucve 1
redhatcve 1
prion 1
xen 1
fedora 3
osv 2
nvd 1
veracode 1
debiancve 1
suse 2
debian 1
citrix 1
gentoo 1
cvelist
cvelist
CVE-2020-27674
2020-10-22 20:33:07
openvas
openvas
Fedora: Security Advisory for xen (FEDORA-2020-5398bfb466)
2020-11-12 00:00:00
Fedora: Security Advisory for xen (FEDORA-2020-ec84c1565b)
2020-11-12 00:00:00
Fedora: Security Advisory for xen (FEDORA-2020-6dd36a716c)
2020-11-22 00:00:00
nessus
nessus
Fedora 32 : xen (2020-5398bfb466)
2020-11-12 00:00:00
Fedora 33 : xen (2020-ec84c1565b)
2020-11-12 00:00:00
Xen INVLPG-like flushes may leave stale TLB entries privilege escalation (XSA-286)
2021-01-19 00:00:00
ubuntucve
ubuntucve
CVE-2020-27674
2020-10-22 00:00:00
redhatcve
redhatcve
CVE-2020-27674
2020-10-23 19:04:57
prion
prion
Design/Logic Flaw
2020-10-22 21:15:00
xen
xen
x86 PV guest INVLPG-like flushes may leave stale TLB entries
2020-10-20 11:49:00
fedora
fedora
[SECURITY] Fedora 32 Update: xen-4.13.2-1.fc32
2020-11-12 03:16:18
[SECURITY] Fedora 33 Update: xen-4.14.0-9.fc33
2020-11-12 03:08:44
[SECURITY] Fedora 31 Update: xen-4.12.3-8.fc31
2020-11-20 01:29:24
osv
osv
CVE-2020-27674
2020-10-22 21:15:14
xen - security update
2020-12-04 00:00:00
nvd
nvd
CVE-2020-27674
2020-10-22 21:15:14
veracode
veracode
CVE-2020-27674
2021-01-21 16:35:09
debiancve
debiancve
CVE-2020-27674
2020-10-22 21:15:14
suse
suse
Security update for xen (important)
2020-12-05 00:00:00
Security update for xen (important)
2020-12-07 00:00:00
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

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

5.3 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

5.9 Medium

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

17.6%

JSON
Related for CVE-2020-27674
cvelist1openvas10nessus15ubuntucve1redhatcve1prion1xen1fedora3osv2nvd1veracode1debiancve1suse2debian1citrix1gentoo1