CVE-2020-2545 Denial of service in Security Service

Medium 5.3 Published 15 Jan 2020 Updated 30 Sep 2024

Unauthenticated attackers can cause a partial denial of service in Oracle HTTP Server via HTTPS 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-2020-2545?

CVE-2020-2545 is a medium-severity denial of service vulnerability in Oracle Http Server, published on 15 Jan 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware (component: OSSL Module). Supported versions that are affected are 11.1.1.9.0, 12.1.3.0.0 and 12.2.1.3.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle HTTP Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle HTTP Server. CVSS 3.0 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).

Which versions are affected by CVE-2020-2545?

It affects 1 product.

Products include Oracle Http Server.

How do I fix CVE-2020-2545?

No fix has been published for CVE-2020-2545 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-2020-2545 being exploited?

There is no known exploitation of CVE-2020-2545 in the wild and no public exploit code.

All Oracle Http Server vulnerabilities

Sources

Also known as GHSA-v47w-94g3-6958.