CVE-2021-2256 Auth bypass in Cloud Infrastructure

Critical 10.0 Published Updated

Unauthenticated attackers can take over the Oracle Storage Cloud Software Appliance via HTTP, leading to full system compromise.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-2256?

CVE-2021-2256 is a critical authentication bypass vulnerability in Oracle Corporation Cloud Infrastructure, published on 22 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Vulnerability in the Oracle Storage Cloud Software Appliance product of Oracle Storage Gateway (component: Management Console). The supported version that is affected is Prior to 16.3.1.4.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Storage Cloud Software Appliance. While the vulnerability is in Oracle Storage Cloud Software Appliance, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Oracle Storage Cloud Software Appliance. Note: Updating the Oracle Storage Cloud Software Appliance to version 16.3.1.4.2 or later will address these vulnerabilities. Download the latest version of Oracle Storage Cloud Software Appliance from <a href=" https://www.oracle.com/downloads/cloud/oscsa-downloads.html">here. Refer to Document <a href="https://support.oracle.com/rstype=doc&id=2768897.1">2768897.1 for more details. CVSS 3.1 Base Score 10.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).

Which versions are affected by CVE-2021-2256?

It affects 1 product.

Products include Oracle Storage Cloud Software Appliance.

How do I fix CVE-2021-2256?

No fix has been published for CVE-2021-2256 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-2021-2256 being exploited?

There is no known exploitation of CVE-2021-2256 in the wild and no public exploit code.

Sources

Also known as GHSA-chfm-q9vj-99fm.

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