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TI-2021-02363 Aliases CVE-2021-3393GHSA-rf5r-cr88-cr97

Information disclosure through error messages in postgresql

Priority LOW 22CWE-209Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-209.

Summary

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.

Why it matters now

EPSS 0.01187 68th percentileScored 2026-11-07
Fix Fixed Red Hat: 3 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—postgresqlpostgresql 13.2, postgresql 12.6, postgresql 11.11—No fix listedCNA
  • postgresql Vendor— Affected postgresql 13.2, postgresql 12.6, postgresql 11.11 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*before 11.11; 12.0 to before 12.6; 13.0 to before 13.2VulnerablePostgreSQL
cpe:2.3:a:redhat:software_collections:-:*:*:*:*:*:*:*not specified by NVDVulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*8.0VulnerableRed Hat
  • cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:* Versions before 11.11; 12.0 to before 12.6; 13.0 to before 13.2 Vulnerable ·PostgreSQL
  • cpe:2.3:a:redhat:software_collections:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat

Remediation

Red Hat 3 advisories

  • RHSA-2021:2394 Released 2021-06-14 · Red Hat rating Important
    rh-postgresql12-postgresql security update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-postgresql12-postgresql-12.7-1.el7, rh-postgresql12-postgresql-contrib-12.7-1.el7, rh-postgresql12-postgresql-contrib-syspaths-12.7-1.el7 +11
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) rh-postgresql12-postgresql-12.7-1.el7, rh-postgresql12-postgresql-contrib-12.7-1.el7, rh-postgresql12-postgresql-contrib-syspaths-12.7-1.el7 +11
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-postgresql12-postgresql-12.7-1.el7, rh-postgresql12-postgresql-contrib-12.7-1.el7, rh-postgresql12-postgresql-contrib-syspaths-12.7-1.el7 +11
  • RHSA-2021:2389 Released 2021-06-14 · Red Hat rating Important
    postgresql:12 security update
    • Red Hat Enterprise Linux AppStream EUS (v. 8.2) pgaudit-1.4.0-4.module+el8.2.0+9043+1dbb5661.aarch64::postgresql:12, pgaudit-1.4.0-4.module+el8.2.0+9043+1dbb5661.ppc64le::postgresql:12, pgaudit-1.4.0-4.module+el8.2.0+9043+1dbb5661.s390x::postgresql:12 +47
  • RHSA-2021:2372 Released 2021-06-10 · Red Hat rating Important
    postgresql:12 security update
    • Red Hat Enterprise Linux AppStream (v. 8) pgaudit-1.4.0-6.module+el8.4.0+11288+c193d6d7.aarch64::postgresql:12, pgaudit-1.4.0-6.module+el8.4.0+11288+c193d6d7.ppc64le::postgresql:12, pgaudit-1.4.0-6.module+el8.4.0+11288+c193d6d7.s390x::postgresql:12 +47

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2021:2372
Red Hat Enterprise Linux AppStream EUS (v. 8.2)Fixed RHSA-2021:2389
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2021:2394
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7)Fixed RHSA-2021:2394
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2021:2394
Not affected: 11 products
  • Red Hat Decision Manager 7
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9
  • Red Hat Fuse 7
  • Red Hat JBoss Enterprise Application Platform 6
  • Red Hat JBoss Enterprise Application Platform 7
  • Red Hat Process Automation 7
  • Red Hat Software Collections
  • Red Hat build of Quarkus

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-3393
  2. 2026-10-03 Alias added: GHSA-rf5r-cr88-cr97

References

Advisory 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences