CVE-2020-2955 Missing authorization in FLEXCUBE Core Banking

Medium 6.3 Published 15 Apr 2020 Updated 27 Sep 2024

Low-privileged attackers can modify, read, or disrupt data in Oracle FLEXCUBE Core Banking via HTTP due to missing authorization checks.

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-2020-2955?

CVE-2020-2955 is a medium-severity missing authorization vulnerability in Oracle Corporation FLEXCUBE Core Banking, published on 15 Apr 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Vulnerability in the Oracle FLEXCUBE Core Banking product of Oracle Financial Services Applications (component: Transaction Processing). The supported version that is affected is 4.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle FLEXCUBE Core Banking. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle FLEXCUBE Core Banking accessible data as well as unauthorized read access to a subset of Oracle FLEXCUBE Core Banking accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle FLEXCUBE Core Banking. CVSS 3.0 Base Score 6.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L).

Which versions are affected by CVE-2020-2955?

It affects 1 product.

Products include Oracle Flexcube Core Banking.

How do I fix CVE-2020-2955?

No fix has been published for CVE-2020-2955 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-2020-2955 being exploited?

There is no known exploitation of CVE-2020-2955 in the wild and no public exploit code.

Sources

Also known as GHSA-vjg4-2j2m-2g7m.