CVE-2021-2248

Name: CVE-2021-2248
Creator: NVD / NIST
Published: 2021-04-22T22:15:15.603+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 10/10EPSS 2.50%

Last modified Jun 17, 2026

CVE-2021-2248 is a critical-severity vulnerability rated 10/10 on the CVSS scale. Vulnerability in the Oracle Secure Global Desktop product of Oracle Virtualization (component: Server). The supported version that is affected is 5.6. EPSS estimates a 2.50% chance of exploitation in the next 30 days.

Description

Vulnerability in the Oracle Secure Global Desktop product of Oracle Virtualization (component: Server). 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. 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.

Metrics

CVSS 3.1

10/10

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

EPSS Probability

2.50%

82.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Oracle	Secure Global Desktop	5.6

References

https://www.oracle.com/security-alerts/cpuapr2021.htmlPatch, Vendor Advisory
https://www.oracle.com/security-alerts/cpuapr2021.htmlPatch, Vendor Advisory

Timeline

Published: Apr 22, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-2248?

How severe is CVE-2021-2248?

CVE-2021-2248 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 2.50% probability of exploitation in the next 30 days.

How do I fix CVE-2021-2248?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-2248?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST