6.5
MEDIUM
CVE-2021-3559
Libvirt Mediated Device PCI Crash Threat
Description

A flaw was found in libvirt in the virConnectListAllNodeDevices API in versions before 7.0.0. It only affects hosts with a PCI device and driver that supports mediated devices (e.g., GRID driver). This flaw could be used by an unprivileged client with a read-only connection to crash the libvirt daemon by executing the 'nodedev-list' virsh command. The highest threat from this vulnerability is to system availability.

INFO

Published Date :

May 24, 2021, 12:15 p.m.

Last Modified :

April 26, 2022, 4:25 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2021-3559 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Netapp ontap_select_deploy_administration_utility
1 Redhat libvirt
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-3559.

URL Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1962306 Issue Tracking Patch Vendor Advisory
https://security.netapp.com/advisory/ntap-20210706-0006/ Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-3559 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-3559 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Apr. 26, 2022

    Action Type Old Value New Value
    Changed Reference Type https://security.netapp.com/advisory/ntap-20210706-0006/ No Types Assigned https://security.netapp.com/advisory/ntap-20210706-0006/ Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jul. 06, 2021

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20210706-0006/ [No Types Assigned]
  • Reanalysis by [email protected]

    Jun. 07, 2021

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:* versions up to (excluding) 7.0.0 *cpe:2.3:a:redhat:libvirt:7.0.0:rc1:*:*:*:*:*:* *cpe:2.3:a:redhat:libvirt:7.0.0:rc2:*:*:*:*:*:* OR *cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:* versions from (including) 6.10.0 up to (excluding) 7.0.0
  • Initial Analysis by [email protected]

    Jun. 03, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1962306 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1962306 Issue Tracking, Patch, Vendor Advisory
    Added CPE Configuration OR *cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:* versions up to (excluding) 7.0.0 *cpe:2.3:a:redhat:libvirt:7.0.0:rc1:*:*:*:*:*:* *cpe:2.3:a:redhat:libvirt:7.0.0:rc2:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.07 }} 0.00%

score

0.27700

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability