CVE-2021-35654 Denial of service in Hyperion Essbase Administration Services

High 7.5 Published 20 Oct 2021 Updated 25 Sep 2024

Unauthenticated attackers can cause a complete denial of service in Oracle Essbase Administration Services via HTTP requests.

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-2021-35654?

CVE-2021-35654 is a high-severity denial of service vulnerability in Oracle Corporation Hyperion Essbase Administration Services, published on 20 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Vulnerability in the Essbase Administration Services product of Oracle Essbase (component: EAS Console). The supported versions that are affected are Prior to 11.1.2.4.046 and Prior to 21.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Essbase Administration Services. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Essbase Administration Services. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Which versions are affected by CVE-2021-35654?

It affects 1 product.

Products include Oracle Essbase Administration Services.

How do I fix CVE-2021-35654?

No fix has been published for CVE-2021-35654 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2021-35654 being exploited?

There is no known exploitation of CVE-2021-35654 in the wild and no public exploit code.

Sources

Also known as GHSA-743w-c5px-r2c2.