Medium 6.5Published Mar 17, 2020

CVE-2020-1720A flaw was found in PostgreSQL's "ALTER ...

Updated under an hour ago (Nov 2, 2026, 12:23 AM ET)

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No exploitation reported and no EPSS estimate yet.

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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.

CVSS: 6.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weakness (CWE): CWE-285, CWE-862
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

postgresql postgresql postgresql:postgresql	from 9.6 before 9.6.17; from 10.0 before 10.12; from 11.0 before 11.7; from 12.0 before 12.2	NVD
redhat decision_manager redhat:decision_manager	7.0	NVD
redhat software_collections redhat:software_collections	all versions	NVD
redhat enterprise_linux redhat:enterprise_linux	8.0	NVD

References

References

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00043.html
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1720	issue-tracking, patch, third-party-advisory
https://www.postgresql.org/about/news/2011/	release-notes, vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.