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CVE-2021-20229

postgresql: single-column SELECT privilege enables reading all columns

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Severity

Low

Red Hat Product Security

3.1

CVSS 3.1

Review impact separately from score.

Published · February 11, 2021

Updated · August 5, 2026

Description

A flaw was found in PostgreSQL. This flaw allows a user with SELECT privilege on one column to craft a special query that returns all columns of the table. The highest threat from this vulnerability is to confidentiality.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

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

CWE-863 · Incorrect Authorization