CVE-2020-14350

CVE-2020-14350 is a high-severity vulnerability in Postgresql with a CVSS 3.x base score of 7.3. 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-426.

Key facts

• Severity: High (CVSS 3.x base score 7.3)
• CVSS v2: 4.4
• EPSS exploit prediction: 1% (41st percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-426
• Affected product: Postgresql
• Published: 2020-08-24
• Last modified: 2026-06-17

Description

It was found that some PostgreSQL extensions did not use search_path safely in their installation script. An attacker with sufficient privileges could use this flaw to trick an administrator into executing a specially crafted script, during the installation or update of such extension. This affects PostgreSQL versions before 12.4, before 11.9, before 10.14, before 9.6.19, and before 9.5.23.

Frequently asked questions

What is CVE-2020-14350?

It was found that some PostgreSQL extensions did not use search_path safely in their installation script. An attacker with sufficient privileges could use this flaw to trick an administrator into executing a specially crafted script, during the installation or update of such extension. This affects PostgreSQL versions before 12.4, before 11.9, before 10.14, before 9.6.19, and before 9.5.23.

How severe is CVE-2020-14350?

CVE-2020-14350 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-14350 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14350?

CVE-2020-14350 primarily affects Postgresql. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-14350?

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-2020-14350 published?

CVE-2020-14350 was published on 2020-08-24 and last updated on 2026-06-17.

References

• http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00043.html
• http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00044.html
• http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00049.html
• http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00050.html
• http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00003.html
• http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00008.html
• https://bugzilla.redhat.com/show_bug.cgi?id=1865746
• https://lists.debian.org/debian-lts-announce/2020/08/msg00028.html
• https://security.gentoo.org/glsa/202008-13
• https://security.netapp.com/advisory/ntap-20200918-0002/
• https://usn.ubuntu.com/4472-1/

Affected products (7)

• cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
• cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
• cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*

More vulnerabilities in Postgresql

• CVE-2013-1903 — Critical (CVSS 10.0): PostgreSQL, possibly 9.2.x before 9.2.4, 9.1.x before 9.1.9, 9.0.x before 9.0.13, 8.4.x before 8.4.17, and 8.3.x before…
• CVE-2013-1902 — Critical (CVSS 10.0): PostgreSQL, 9.2.x before 9.2.4, 9.1.x before 9.1.9, 9.0.x before 9.0.13, 8.4.x before 8.4.17, and 8.3.x before 8.3.23…
• CVE-2007-3279 — Critical (CVSS 10.0): PostgreSQL 8.1 and probably later versions, when the PL/pgSQL (plpgsql) language has been created, grants certain…
• CVE-2002-1399 — Critical (CVSS 10.0): Unknown vulnerability in cash_out and possibly other functions in PostgreSQL 7.2.1 and earlier, and possibly later…
• CVE-2015-0244 — Critical (CVSS 9.8): PostgreSQL before 9.0.19, 9.1.x before 9.1.15, 9.2.x before 9.2.10, 9.3.x before 9.3.6, and 9.4.x before 9.4.1 does not…
• CVE-2015-3166 — Critical (CVSS 9.8): The snprintf implementation in PostgreSQL before 9.0.20, 9.1.x before 9.1.16, 9.2.x before 9.2.11, 9.3.x before 9.3.7,…

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