What is CVE-2017-7484?

CVE-2017-7484 is a high-severity vulnerability in PostgreSQL, classified under Improper Authorization. CVSS score: 7.5/10. Published 2017-05-12.

How severe is CVE-2017-7484?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2017-7484 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in PostgreSQL

CVE-2017-7484

It was found that some selectivity estimation functions in PostgreSQL before 9.2.21, 9.3.x before 9.3.17, 9.4.x before 9.4.12, 9.5.x before 9.5.7, and 9.6.x before 9.6.3 did not check user privileges before providing information from pg_statistic, possibly leaking information. An unprivileged attacker could use this flaw to steal some information from tables they are otherwise not allowed to access.

Published 2017-05-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.026 (84.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000

Affected products

PostgreSQL — versions 9.3, 9.3.1, 9.3.2
The PostgreSQL Global Development Group — versions 9.2 - 9.6

Weakness classification (CWE)

Public proof-of-concept exploits

References

www.securitytracker.com/id/1038476 (vdb-entry)
www.debian.org/security/2017/dsa-3851 (vendor-advisory)
access.redhat.com/errata/RHSA-2017:2425 (vendor-advisory)
access.redhat.com/errata/RHSA-2017:1678 (vendor-advisory)
access.redhat.com/errata/RHSA-2017:1677 (vendor-advisory)
access.redhat.com/errata/RHSA-2017:1983 (vendor-advisory)
www.postgresql.org/about/news/1746/ (Vendor Advisory)
access.redhat.com/errata/RHSA-2017:1838 (vendor-advisory)
www.securityfocus.com/bid/98459 (VDB Entry, Third Party Advisory, vdb-entry)
security.gentoo.org/glsa/201710-06 (vendor-advisory)

Frequently asked questions

What is CVE-2017-7484?: CVE-2017-7484 is a high-severity vulnerability in PostgreSQL, classified under Improper Authorization. CVSS score: 7.5/10. Published 2017-05-12.
How severe is CVE-2017-7484?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2017-7484 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.