CVE-2020-35517

HIGH
8.2
CVSS Score
Published: January 28, 2021 at 07:13 PM UTC
Updated: June 17, 2026 at 03:13 AM UTC
1 product affected across 1 vendorQEMU

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Severity
HIGH8.2
Exploit prediction
EPSS 0.5%

Description

A flaw was found in qemu. A host privilege escalation issue was found in the virtio-fs shared file system daemon where a privileged guest user is able to create a device special file in the shared directory and use it to r/w access host devices.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

5.0.0 ≤ v ≤ 5.2.505.2.0

References (6)

x_refsource_MISCIssue TrackingPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1915823
x_refsource_MISCExploitMailing ListPatchThird Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2021-01/msg05461.html
Vendor Advisoryx_refsource_GENTOOThird Party Advisory
https://security.gentoo.org/glsa/202208-27
x_refsource_MISCExploitMailing ListPatchThird Party Advisory
https://www.openwall.com/lists/oss-security/2021/01/22/1

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-269

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