CVE-2020-1720: PostgreSQL

Medium severity, CVSS 6.5. EPSS: 1.2% chance of exploitation in the next 30 days.

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.

Affected products

• PostgreSQL PostgreSQL: from 9.6, before 9.6.17 (fixed in 9.6.17); from 10.0, before 10.12 (fixed in 10.12); from 11.0, before 11.7 (fixed in 11.7); from 12.0, before 12.2 (fixed in 12.2)
• Red Hat Decision Manager: version 7.0 only
• Red Hat Enterprise Linux: version 8.0 only
• Red Hat Software Collections: affected versions not specified

Published 2020-03-17. Last modified 2026-06-17.