CVE-2020-35517

Advisory lineage Upstream: 0 Downstream: 4
Modified
Published: 28 Jan 2021, 19:13
Last modified:04 Aug 2024, 17:02

Vulnerability Summary

Overall Risk (default)
medium
43/100
CVSS Score
8.2 HIGH
v3.1 (nvd)
EPSS Score
0.11% LOW
0% probability +0.03%
KEV
Not listed
Ransomware
No reports
Public exploits
2 found
Dark Web
Not detected

Timeline

28 Jan 2021, 19:13
Published
Vulnerability first disclosed
04 Aug 2024, 17:02
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•HIGH•Score: 8.2CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 4.6AV:L/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.11%• Percentile: 29%

Techniques & Countermeasures

  • CWE-269•Improper Privilege Management

    The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Affected Systems

  • qemu•qemu

    ≥ 5.0.0, ≤ 5.2.50

References (6)