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 update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-7484 is rated Moderate Risk (60.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.56%). EPSS rose +1.12% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2017-7484

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.44% 2.56% +1.12%
2 2026-05-30 1.32% 1.44% +0.12%
3 2026-04-23 — 1.32% —

Full EPSS history (37 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-7484

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2017-7484

OS Trackers for CVE-2017-7484

vendor priority summary link
alpine — CVE-2017-7484: 3 source package rows (postgresql, postgresql14, postgresql15); 16 state rows across 11 repos (3.10-main, 3.11-main, 3.12-main, 3.17-main, 3.18-main, 3.19-community, 3.19-main, 3.20-community, 3.20-main, edge-community, edge-main); fixed 16, open 0. https://security.alpinelinux.org/vuln/CVE-2017-7484
gentoo normal CVE-2017-7484: 1 GLSA(s) (201710-06), 1 atom(s) (dev-db/postgresql); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2017-7484
redhat medium — https://access.redhat.com/security/cve/CVE-2017-7484
suse medium CVE-2017-7484 severity moderate: SUSE including 60 source package names (libecpg6-10.10-1.15.1, libecpg6-10.5-1.3.1, …), 122 product×package rows across 25 product lines (SUSE Liberty Linux 7, SUSE Linux Enterprise Desktop 12 SP2, … (25 product lines)): Fixed 122. https://www.suse.com/security/cve/CVE-2017-7484/
ubuntu low CVE-2017-7484 low priority: Ubuntu including 5 source packages (postgresql-10, postgresql-9.1, postgresql-9.3, postgresql-9.5, postgresql-9.6), 44 status rows across 9 suites (artful, bionic, cosmic, disco, trusty, upstream, xenial, yakkety, zesty): DNE 32, released 5, not-affected 3, needed 2, ignored 1, needs-triage 1. https://ubuntu.com/security/CVE-2017-7484

Affected software / configurations for CVE-2017-7484

Vendor Product Version Raw CPE
postgresql postgresql <= 9.2.20 cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
postgresql postgresql 9.3 cpe:2.3:a:postgresql:postgresql:9.3:*:*:*:*:*:*:*
postgresql postgresql 9.3.1 cpe:2.3:a:postgresql:postgresql:9.3.1:*:*:*:*:*:*:*
postgresql postgresql 9.3.2 cpe:2.3:a:postgresql:postgresql:9.3.2:*:*:*:*:*:*:*
postgresql postgresql 9.3.3 cpe:2.3:a:postgresql:postgresql:9.3.3:*:*:*:*:*:*:*
postgresql postgresql 9.3.4 cpe:2.3:a:postgresql:postgresql:9.3.4:*:*:*:*:*:*:*
postgresql postgresql 9.3.5 cpe:2.3:a:postgresql:postgresql:9.3.5:*:*:*:*:*:*:*
postgresql postgresql 9.3.6 cpe:2.3:a:postgresql:postgresql:9.3.6:*:*:*:*:*:*:*
postgresql postgresql 9.3.7 cpe:2.3:a:postgresql:postgresql:9.3.7:*:*:*:*:*:*:*
postgresql postgresql 9.3.8 cpe:2.3:a:postgresql:postgresql:9.3.8:*:*:*:*:*:*:*
postgresql postgresql 9.3.9 cpe:2.3:a:postgresql:postgresql:9.3.9:*:*:*:*:*:*:*
postgresql postgresql 9.3.10 cpe:2.3:a:postgresql:postgresql:9.3.10:*:*:*:*:*:*:*
postgresql postgresql 9.3.11 cpe:2.3:a:postgresql:postgresql:9.3.11:*:*:*:*:*:*:*
postgresql postgresql 9.3.12 cpe:2.3:a:postgresql:postgresql:9.3.12:*:*:*:*:*:*:*
postgresql postgresql 9.3.13 cpe:2.3:a:postgresql:postgresql:9.3.13:*:*:*:*:*:*:*
postgresql postgresql 9.3.14 cpe:2.3:a:postgresql:postgresql:9.3.14:*:*:*:*:*:*:*
postgresql postgresql 9.3.15 cpe:2.3:a:postgresql:postgresql:9.3.15:*:*:*:*:*:*:*
postgresql postgresql 9.3.16 cpe:2.3:a:postgresql:postgresql:9.3.16:*:*:*:*:*:*:*
postgresql postgresql 9.4 cpe:2.3:a:postgresql:postgresql:9.4:*:*:*:*:*:*:*
postgresql postgresql 9.4.1 cpe:2.3:a:postgresql:postgresql:9.4.1:*:*:*:*:*:*:*
postgresql postgresql 9.4.2 cpe:2.3:a:postgresql:postgresql:9.4.2:*:*:*:*:*:*:*
postgresql postgresql 9.4.3 cpe:2.3:a:postgresql:postgresql:9.4.3:*:*:*:*:*:*:*
postgresql postgresql 9.4.4 cpe:2.3:a:postgresql:postgresql:9.4.4:*:*:*:*:*:*:*
postgresql postgresql 9.4.5 cpe:2.3:a:postgresql:postgresql:9.4.5:*:*:*:*:*:*:*
postgresql postgresql 9.4.6 cpe:2.3:a:postgresql:postgresql:9.4.6:*:*:*:*:*:*:*
postgresql postgresql 9.4.7 cpe:2.3:a:postgresql:postgresql:9.4.7:*:*:*:*:*:*:*
postgresql postgresql 9.4.8 cpe:2.3:a:postgresql:postgresql:9.4.8:*:*:*:*:*:*:*
postgresql postgresql 9.4.9 cpe:2.3:a:postgresql:postgresql:9.4.9:*:*:*:*:*:*:*
postgresql postgresql 9.4.10 cpe:2.3:a:postgresql:postgresql:9.4.10:*:*:*:*:*:*:*
postgresql postgresql 9.4.11 cpe:2.3:a:postgresql:postgresql:9.4.11:*:*:*:*:*:*:*
postgresql postgresql 9.5 cpe:2.3:a:postgresql:postgresql:9.5:*:*:*:*:*:*:*
postgresql postgresql 9.5.1 cpe:2.3:a:postgresql:postgresql:9.5.1:*:*:*:*:*:*:*
postgresql postgresql 9.5.2 cpe:2.3:a:postgresql:postgresql:9.5.2:*:*:*:*:*:*:*
postgresql postgresql 9.5.3 cpe:2.3:a:postgresql:postgresql:9.5.3:*:*:*:*:*:*:*
postgresql postgresql 9.5.4 cpe:2.3:a:postgresql:postgresql:9.5.4:*:*:*:*:*:*:*
postgresql postgresql 9.5.5 cpe:2.3:a:postgresql:postgresql:9.5.5:*:*:*:*:*:*:*
postgresql postgresql 9.5.6 cpe:2.3:a:postgresql:postgresql:9.5.6:*:*:*:*:*:*:*
postgresql postgresql 9.6 cpe:2.3:a:postgresql:postgresql:9.6:*:*:*:*:*:*:*
postgresql postgresql 9.6.1 cpe:2.3:a:postgresql:postgresql:9.6.1:*:*:*:*:*:*:*
postgresql postgresql 9.6.2 cpe:2.3:a:postgresql:postgresql:9.6.2:*:*:*:*:*:*:*

References for CVE-2017-7484

cvelogic Threat Intelligence