Vulnerability Details : CVE-2020-35517

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.
Published 2021-01-28 20:15:13
Updated 2023-02-12 23:41:03
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Gain privilege

Products affected by CVE-2020-35517

  • Qemu » Qemu
    Versions from including (>=) 5.0.0 and up to, including, (<=) 5.2.50
    cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
    Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2020-35517

EPSS FAQ
0.05%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 19 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-35517

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.6
 MEDIUM AV:L/AC:L/Au:N/C:P/I:P/A:P
3.9
6.4
 NIST
8.2
 HIGH CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
1.5
6.0
 NIST

CWE ids for CVE-2020-35517

  • The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
    Assigned by:
    • nvd@nist.gov (Secondary)
    • secalert@redhat.com (Primary)

References for CVE-2020-35517

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