CVE-2021-3393 : An information leak was discovered in postgresql in versions before 13.2, before

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.

Published 2021-04-01 14:15:14

Updated 2021-06-04 19:04:25

Source Red Hat, Inc.

View at NVD, CVE.org

Products affected by CVE-2021-3393

Redhat » Enterprise Linux » Version: 8.0
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
Matching versions
Redhat » Software Collections » Version: N/A
cpe:2.3:a:redhat:software_collections:-:*:*:*:*:*:*:*
Matching versions
Postgresql » Postgresql
Versions from including (>=) 13.0 and before (<) 13.2
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
Matching versions
Postgresql » Postgresql
Versions before (<) 11.11
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
Matching versions
Postgresql » Postgresql
Versions from including (>=) 12.0 and before (<) 12.6
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2021-3393

Top countries where our scanners detected CVE-2021-3393

Top open port discovered on systems with this issue 80

IPs affected by CVE-2021-3393 262,736

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2021-3393!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2021-3393

EPSS FAQ

0.06%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 25 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-3393

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
3.5	LOW	AV:N/AC:M/Au:S/C:P/I:N/A:N	6.8	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: Single Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
4.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	2.8	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: None Availability: None

CWE ids for CVE-2021-3393

CWE-209 Generation of Error Message Containing Sensitive Information

The product generates an error message that includes sensitive information about its environment, users, or associated data.

Assigned by: secalert@redhat.com (Primary)

References for CVE-2021-3393

https://bugzilla.redhat.com/show_bug.cgi?id=1924005

1924005 – (CVE-2021-3393) CVE-2021-3393 postgresql: Partition constraint violation errors leak values of denied columns
Issue Tracking;Third Party Advisory
https://security.gentoo.org/glsa/202105-32

PostgreSQL: Multiple vulnerabilities (GLSA 202105-32) — Gentoo security
Third Party Advisory

CVEs referencing this url
https://security.netapp.com/advisory/ntap-20210507-0006/

CVE-2021-3393 PostgreSQL Vulnerability in NetApp Products | NetApp Product Security
Third Party Advisory