CVE-2021-2447 Auth bypass in Secure Global Desktop

Critical 9.9 Published 20 Jul 2021 Updated 25 Sep 2024

A low-privileged attacker can compromise Oracle Secure Global Desktop via network access, leading to full system takeover.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-2447?

CVE-2021-2447 is a critical authentication bypass vulnerability in Oracle Corporation Secure Global Desktop, published on 20 Jul 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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 low privileged 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. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).

Which versions are affected by CVE-2021-2447?

It affects 1 product.

Products include Oracle Secure Global Desktop.

How do I fix CVE-2021-2447?

No fix has been published for CVE-2021-2447 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2021-2447 being exploited?

There is no known exploitation of CVE-2021-2447 in the wild and no public exploit code.

Sources

Also known as GHSA-2p3h-vm38-7wjp.