CVE-2021-2138 Missing authorization in Oracle Cloud Infrastructure Data Science Notebook Sessions

What is CVE-2021-2138?

CVE-2021-2138 is a medium-severity missing authorization vulnerability in Oracle Cloud Infrastructure Data Science Notebook Sessions, published on 3 Mar 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Vulnerability in the Oracle Cloud Infrastructure Data Science Notebook Sessions. Easily exploitable vulnerability allows low privileged attacker with access to the physical communication segment attached to the hardware where the Oracle Cloud Infrastructure Data Science Notebook Sessions executes to compromise Oracle Cloud Infrastructure Data Science Notebook Sessions. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Cloud Infrastructure Data Science Notebook Sessions accessible data as well as unauthorized read access to a subset of Oracle Cloud Infrastructure Data Science Notebook Sessions accessible data. All affected customers were notified of CVE-2021-2138 by Oracle. CVSS 3.1 Base Score 4.6 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N)

Which versions are affected by CVE-2021-2138?

It affects 1 product.

Products include Oracle Cloud Infrastructure Data Science.

How do I fix CVE-2021-2138?

No fix has been published for CVE-2021-2138 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2021-2138 being exploited?

There is no known exploitation of CVE-2021-2138 in the wild and no public exploit code.

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-4v82-m79g-wgg4.