What is CVE-2023-21827?

CVE-2023-21827 is a medium-severity vulnerability in Oracle Database. CVSS score: 4.3/10. Published 2023-01-18.

How severe is CVE-2023-21827?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Oracle Database

CVE-2023-21827

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).

EPSS: 0.005 (37.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Oracle Database — versions 19c, 21c
Oracle Corporation Database - Enterprise Edition — versions 19c, 21c

References

secalert_us@oracle.com (vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-21827?: CVE-2023-21827 is a medium-severity vulnerability in Oracle Database. CVSS score: 4.3/10. Published 2023-01-18.
How severe is CVE-2023-21827?: Medium severity. CVSS v3 base score is 4.3 out of 10.