CVE-2017-7485

CVE-2017-7485 is a medium-severity vulnerability in Postgresql with a CVSS 3.x base score of 5.9. 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-311.

Key facts

• Severity: Medium (CVSS 3.x base score 5.9)
• CVSS v2: 4.3
• EPSS exploit prediction: 2% (79th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-311
• Affected product: Postgresql
• Published: 2017-05-12
• Last modified: 2026-06-17

Description

In PostgreSQL 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, it was found that the PGREQUIRESSL environment variable was no longer enforcing a SSL/TLS connection to a PostgreSQL server. An active Man-in-the-Middle attacker could use this flaw to strip the SSL/TLS protection from a connection between a client and a server.

Frequently asked questions

What is CVE-2017-7485?

In PostgreSQL 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, it was found that the PGREQUIRESSL environment variable was no longer enforcing a SSL/TLS connection to a PostgreSQL server. An active Man-in-the-Middle attacker could use this flaw to strip the SSL/TLS protection from a connection between a client and a server.

How severe is CVE-2017-7485?

CVE-2017-7485 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2017-7485 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7485?

CVE-2017-7485 primarily affects Postgresql. In total, 39 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-7485?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-7485 published?

CVE-2017-7485 was published on 2017-05-12 and last updated on 2026-06-17.

References

• http://www.debian.org/security/2017/dsa-3851
• http://www.securityfocus.com/bid/98461
• http://www.securitytracker.com/id/1038476
• https://access.redhat.com/errata/RHSA-2017:1677
• https://access.redhat.com/errata/RHSA-2017:1678
• https://access.redhat.com/errata/RHSA-2017:1838
• https://access.redhat.com/errata/RHSA-2017:2425
• https://security.gentoo.org/glsa/201710-06
• https://www.postgresql.org/about/news/1746/

Affected products (39)

• 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:9.4:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.4.1:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.4.2:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.4.3:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.4.4:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.4.5:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.4.6:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.4.7:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.4.8:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.4.9:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.4.10:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.4.11:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.5:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.5.1:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.5.2:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.5.3:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.5.4:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.5.5:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.5.6:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.6:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.6.1:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:9.6.2:*:*:*:*:*:*:*

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