CVE-2021-3393

MediumCVSS 4.3/10Last modified Jun 17, 2026

Description

An information leak was discovered in postgresql in versions before 13.2, before 12.6 and before 11.11. A user having UPDATE permission but not SELECT permission to a particular column could craft queries which, under some circumstances, might disclose values from that column in error messages. An attacker could use this flaw to obtain information stored in a column they are allowed to write but not read.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-209

Affected software

No affected versions have been published.

Timeline

Published
Apr 1, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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