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CVE-2019-3879: It was discovered that in the ovirt's REST API before version 4.3.2.1, RemoveDiskCommand is triggered as an in

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HIGH 8.1WATCHLISTUPGRADEMITIGATE

CVE-2019-3879 is a high-severity flaw (CVSS 8.1) affecting ovirt, virtualization. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

It was discovered that in the ovirt's REST API before version 4.3.2.1, RemoveDiskCommand is triggered as an internal command, meaning the permission validation that should be performed against the calling user is skipped. A user with low privileges (eg Basic Operations) could exploit this flaw to delete disks attached to guests.

Why this priority

  • High severity
  • On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score8.1 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance1.8% (top 21%)
CISA exploited listNo
WeaknessCWE-862
Published2019-03-25
Last modified2026-06-17
Publisher (CNA): Red Hat, Inc. · Vendor: ovirt · redhat

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

ovirt ovirt UPGRADE
Affected: < 4.3.2.1
Fixed in: 4.3.2.1
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy ovirt || rpm -q ovirt || ovirt --version
2. UPGRADE to 4.3.2.1 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade ovirt
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade ovirt
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
redhat virtualization MITIGATE
Affected: 4.2
Fixed in: no fixed release known
Safe to downgrade to: a release before 4.2
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-3879?

ovirt: upgrade to 4.3.2.1; virtualization: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-3879 being exploited?

CVE-2019-3879 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-3879 affect?

CVE-2019-3879 affects ovirt, virtualization. Severity is high (CVSS 8.1). It was discovered that in the ovirt's REST API before version 4.3.2.1, RemoveDiskCommand is triggered as an internal command, meaning the permission validation that should be performed against the calling user is skipped. A user with low pr

How urgent is CVE-2019-3879?

Priority 53/100. High severity; On your watchlist

Related CVEs

References

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