How severe is CVE-2017-7547?

CVE-2017-7547 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-7547 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7547?

CVE-2017-7547 primarily affects Postgresql. In total, 65 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-7547?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-7547 published?

CVE-2017-7547 was published on 2017-08-16 and last updated on 2026-06-17.

CVE-2017-7547

CVE-2017-7547 is a high-severity vulnerability in Postgresql with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-522.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 4.0
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-522
Affected product: Postgresql
Published: 2017-08-16
Last modified: 2026-06-17

Description

PostgreSQL versions before 9.2.22, 9.3.18, 9.4.13, 9.5.8 and 9.6.4 are vulnerable to authorization flaw allowing remote authenticated attackers to retrieve passwords from the user mappings defined by the foreign server owners without actually having the privileges to do so.

Frequently asked questions

What is CVE-2017-7547?: PostgreSQL versions before 9.2.22, 9.3.18, 9.4.13, 9.5.8 and 9.6.4 are vulnerable to authorization flaw allowing remote authenticated attackers to retrieve passwords from the user mappings defined by the foreign server owners without actually having the privileges to do so.
How severe is CVE-2017-7547?: CVE-2017-7547 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-7547 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7547?: CVE-2017-7547 primarily affects Postgresql. In total, 65 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-7547?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-7547 published?: CVE-2017-7547 was published on 2017-08-16 and last updated on 2026-06-17.

References

Affected products (65)

cpe:2.3:a:postgresql:postgresql:9.2:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.1:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.2:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.3:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.4:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.5:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.6:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.7:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.8:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.9:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.10:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.11:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.12:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.13:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.14:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.15:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.16:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.17:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.18:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.19:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.20:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.21:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.3:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.3.1:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.3.2:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.3.3:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.3.4:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.3.5:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.3.6:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.3.7:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.3.8:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.3.9:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.3.10:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.3.11:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.3.12:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.3.13:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.3.14:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.3.15:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.3.16:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.3.17:*:*:*:*:*:*:*

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