CVE-2023-21888: Oracle Primavera Gateway

Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days.

Vulnerability in the Primavera Gateway product of Oracle Construction and Engineering (component: WebUI). Supported versions that are affected are 18.8.0-18.8.15, 19.12.0-19.12.15, 20.12.0-20.12.10 and 21.12.0-21.12.8. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Primavera Gateway. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Primavera Gateway, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Primavera Gateway accessible data as well as unauthorized read access to a subset of Primavera Gateway accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).

Affected products

• Oracle Primavera Gateway: from 18.8.0, up to and including 18.8.15; from 19.12.0, up to and including 19.12.15; from 20.12.0, up to and including 20.12.10; from 21.12.0, up to and including 21.12.8

Published 2023-01-18. Last modified 2026-06-17.