CVE-2020-14349

CVE-2020-14349 is a high-severity vulnerability in Postgresql with a CVSS 3.x base score of 7.1. 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-89.

Key facts

• Severity: High (CVSS 3.x base score 7.1)
• CVSS v2: 4.6
• EPSS exploit prediction: 2% (81st percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-89
• Affected product: Postgresql
• Published: 2020-08-24
• Last modified: 2026-06-17

Description

It was found that PostgreSQL versions before 12.4, before 11.9 and before 10.14 did not properly sanitize the search_path during logical replication. An authenticated attacker could use this flaw in an attack similar to CVE-2018-1058, in order to execute arbitrary SQL command in the context of the user used for replication.

Frequently asked questions

What is CVE-2020-14349?

It was found that PostgreSQL versions before 12.4, before 11.9 and before 10.14 did not properly sanitize the search_path during logical replication. An authenticated attacker could use this flaw in an attack similar to CVE-2018-1058, in order to execute arbitrary SQL command in the context of the user used for replication.

How severe is CVE-2020-14349?

CVE-2020-14349 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-14349 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14349?

CVE-2020-14349 primarily affects Postgresql. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-14349?

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-2020-14349 published?

CVE-2020-14349 was published on 2020-08-24 and last updated on 2026-06-17.

References

• 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=1865744
• https://security.gentoo.org/glsa/202008-13
• https://security.netapp.com/advisory/ntap-20200918-0002/
• https://usn.ubuntu.com/4472-1/

Affected products (3)

• cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
• cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
• cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*

More vulnerabilities in Postgresql

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• 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…
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