CVE-2018-2683 Denial of service in Hospitality Simphony

What is CVE-2018-2683?

CVE-2018-2683 is a high-severity denial of service vulnerability in Oracle Corporation Hospitality Simphony, published on 18 Jan 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Vulnerability in the Oracle Hospitality Simphony component of Oracle Hospitality Applications (subcomponent: POS). Supported versions that are affected are 2.7, 2.8 and 2.9. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hospitality Simphony. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Hospitality Simphony. CVSS 3.0 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Which versions are affected by CVE-2018-2683?

It affects 1 product.

Products include Oracle Hospitality Simphony.

How do I fix CVE-2018-2683?

No fix has been published for CVE-2018-2683 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-2018-2683 being exploited?

There is no known exploitation of CVE-2018-2683 in the wild and no public exploit code.

Other vulnerabilities in Oracle Corporation Hospitality Simphony

• CVE-2024-20997 Auth bypass in Hospitality Simphony Critical 9.9
• CVE-2024-21010 Missing authorization in Hospitality Simphony Critical 9.9
• CVE-2024-21014 Auth bypass in Hospitality Simphony Critical 9.8
• CVE-2026-60591 Missing authorization in Oracle Hospitality Simphony Critical 9.1
• CVE-2026-60168 Missing authorization in Oracle Hospitality Simphony Critical 9.1

Sources

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

Also known as GHSA-9r4x-xm82-3v6p.