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Fencer Vulns
medium 6.3

CVE-2020-14333 json

A flaw was found in Ovirt Engine's web interface in ovirt 4.4 and earlier, where it did not filter user-controllable parameters completely,…

published 2020-08-18 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-6480

cvss
6.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits
0
none known

Summary

A flaw was found in Ovirt Engine's web interface in ovirt 4.4 and earlier, where it did not filter user-controllable parameters completely, resulting in a reflected cross-site scripting attack. This flaw allows an attacker to leverage a phishing attack, steal an unsuspecting user's cookies or other confidential information, or impersonate them within the application's context.

Patch / fix

  • rhvm rhev manager 4.4 4.4.2.3-0.6.el8ev
  • ovirt-engine rhev manager 4.4 4.4.2.3-0.6.el8ev
  • ovirt-web-ui rhev manager 4.4 1.6.4-1.el8ev
  • ovirt-engine-setup rhev manager 4.4 4.4.2.3-0.6.el8ev
  • ovirt-engine-tools rhev manager 4.4 4.4.2.3-0.6.el8ev
  • ovirt-engine-backend rhev manager 4.4 4.4.2.3-0.6.el8ev
  • ovirt-engine-restapi rhev manager 4.4 4.4.2.3-0.6.el8ev
  • ovirt-engine-dbscripts rhev manager 4.4 4.4.2.3-0.6.el8ev

red hat advisories RHSA-2020:3807

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-14333 updated cvss 6.1

ovirt-engine: Reflected cross site scripting vulnerability

  • Red Hat RHEL-8-RHEV-S-4.4 - Red Hat Virtualization Engine 4.4 rhvm 4.4.2.3-0.6.el8ev, ovirt-engine 4.4.2.3-0.6.el8ev, ovirt-engine-setup 4.4.2.3-0.6.el8ev, ovirt-engine-tools 4.4.2.3-0.6.el8ev, ovirt-engine-backend 4.4.2.3-0.6.el8ev, ovirt-engine-restapi 4.4.2.3-0.6.el8ev, +14 more
    fixed: vendor fix RHSA-2020:3807
  • Red Hat RHEL-8-RHEV-S-4.4 - Red Hat Virtualization Engine 4.4 ovirt-web-ui 1.6.4-1.el8ev, rhvm-branding-rhv 4.4.5-1.el8ev, rhvm-dependencies 4.4.1-1.el8ev, vdsm-jsonrpc-java 1.5.5-1.el8ev, ovirt-engine-dwh 4.4.2.1-1.el8ev, ovirt-log-collector 4.4.3-1.el8ev, +6 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.79% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

  • The ovirt Project ovirt-engine

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.