CVE-2020-14900

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-10-21 · updated 2026-06-17

Description

Vulnerability in the Oracle Application Express Group Calendar component of Oracle Database Server. The supported version that is affected is Prior to 20.2. Easily exploitable vulnerability allows low privileged attacker having Valid User Account privilege with network access via HTTP to compromise Oracle Application Express Group Calendar. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Application Express Group Calendar, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Application Express Group Calendar accessible data as well as unauthorized read access to a subset of Oracle Application Express Group Calendar 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 Corporation Application Express: before 20.2 — fixed in 20.2

How to fix

Upgrade to a fixed version: Oracle Corporation Application Express 20.2. Check the vendor advisory for mitigations.

References

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