CVE-2023-21827

MEDIUM

Oracle Database Server <21c - Info Disclosure

Title source: llm
STIX 2.1

Description

Vulnerability in the Oracle Database Data Redaction component of Oracle Database Server. Supported versions that are affected are 19c and 21c. Easily exploitable vulnerability allows low privileged attacker having Create Session privilege with network access via Oracle Net to compromise Oracle Database Data Redaction. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Database Data Redaction accessible data. CVSS 3.1 Base Score 4.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).

References (1)

Core 1
Core References
Patch, Vendor Advisory vendor-advisory
https://www.oracle.com/security-alerts/cpujan2023.html

Scores

CVSS v3 4.3
EPSS 0.0021
EPSS Percentile 43.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (2)
oracle/database 19c
oracle/database 21c
Published Jan 18, 2023
Tracked Since Feb 18, 2026