CVE-2020-1720

Name: CVE-2020-1720
Creator: NVD / NIST
Published: 2020-03-17T16:15:11.127+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.19%

Last modified Jun 17, 2026

CVE-2020-1720 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A flaw was found in PostgreSQL's "ALTER ... DEPENDS ON EXTENSION", where sub-commands did not perform authorization checks. EPSS estimates a 1.19% chance of exploitation in the next 30 days.

Description

A flaw was found in PostgreSQL's "ALTER ... DEPENDS ON EXTENSION", where sub-commands did not perform authorization checks. An authenticated attacker could use this flaw in certain configurations to perform drop objects such as function, triggers, et al., leading to database corruption. This issue affects PostgreSQL versions before 12.2, before 11.7, before 10.12 and before 9.6.17.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

1.19%

64.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Postgresql	Postgresql	>= 9.6, < 9.6.17
Postgresql	Postgresql	>= 10.0, < 10.12
Postgresql	Postgresql	>= 11.0, < 11.7
Postgresql	Postgresql	>= 12.0, < 12.2
Redhat	Decision Manager	7.0
Redhat	Software Collections	All versions
Redhat	Enterprise Linux	8.0

References

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00043.html
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1720Issue Tracking, Patch, Third Party Advisory
https://www.postgresql.org/about/news/2011/Release Notes, Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00043.html
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1720Issue Tracking, Patch, Third Party Advisory
https://www.postgresql.org/about/news/2011/Release Notes, Vendor Advisory

Timeline

Published: Mar 17, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-1720?

How severe is CVE-2020-1720?

CVE-2020-1720 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.19% probability of exploitation in the next 30 days.

How do I fix CVE-2020-1720?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-1720?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST