CVE-2023-21983: Vulnerability in the Application Express Administration product of Oracle Application Express (component: None). Supported versions that are affected...

Description

Vulnerability in the Application Express Administration product of Oracle Application Express (component: None). Supported versions that are affected are Application Express Administration: 18.2-22.2. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Application Express Administration. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Application Express Administration accessible data as well as unauthorized read access to a subset of Application Express Administration accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Application Express Administration. CVSS 3.1 Base Score 5.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L).

Metrics

CVSS 3.1

5.6/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS Probability

0.32%

23.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Oracle	Application Express	>= 18.2, <= 22.2

References

https://www.oracle.com/security-alerts/cpujul2023.htmlPatch, Vendor Advisory
https://www.oracle.com/security-alerts/cpujul2023.htmlPatch, Vendor Advisory

Timeline

Published: Jul 18, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-21983?

Vulnerability in the Application Express Administration product of Oracle Application Express (component: None). Supported versions that are affected are Application Express Administration: 18.2-22.2. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Application Express Administration. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Application Express Administration accessible data as well as unauthorized read access to a subset of Application Express Administration accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Application Express Administration. CVSS 3.1 Base Score 5.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L).

How severe is CVE-2023-21983?

CVE-2023-21983 has a CVSS score of 5.6/10 (MEDIUM severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2023-21983?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.