Vulnerability record · CVE-2021-2221 · published 22 April 2021

CVE-2021-2221: Oracle secure global desktop vulnerability

Oracle · Secure Global Desktop

Vulnerability in the Oracle Secure Global Desktop product of Oracle Virtualization (component: Client). The supported version that is affected is 5.6. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Secure Global Desktop. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Secure Global Desktop, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Oracle Secure Global Desktop.

9.6 CVSS 3.1 Critical EPSS 2.0% · top 20.2%

9.6CVSS 3.1 base score, v2 6.8

2.0%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

2References

17 Jun 2026Last modified by NVD

Description

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Secure Global Desktop Oracle

References

Link	Tags
https://www.oracle.com/security-alerts/cpuapr2021.html	PatchVendor Advisory
https://www.oracle.com/security-alerts/cpuapr2021.html	PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-2221), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.