Missing Authorization Affecting libvirt package, versions <6.0.0-7


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.86% (54th percentile)

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  • Snyk IDSNYK-ECHOLATEST-LIBVIRT-18579105
  • published7 Aug 2026
  • disclosed27 May 2021

Introduced: 27 May 2021

CVE-2020-10701  (opens in a new tab)
CWE-862  (opens in a new tab)

How to fix?

Upgrade Echo:latest libvirt to version 6.0.0-7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvirt package and not the libvirt package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

A missing authorization flaw was found in the libvirt API responsible for changing the QEMU agent response timeout. This flaw allows read-only connections to adjust the time that libvirt waits for the QEMU guest agent to respond to agent commands. Depending on the timeout value that is set, this flaw can make guest agent commands fail because the agent cannot respond in time. Unprivileged users with a read-only connection could abuse this flaw to set the response timeout for all guest agent messages to zero, potentially leading to a denial of service. This flaw affects libvirt versions before 6.2.0.

CVSS Base Scores

version 3.1