CVE-2023-39417
CVSS v3
7.5
HIGH
EPSS Score
1.7 %
exploit probability, as of 2026-10-01
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
IN THE EXTENSION SCRIPT, a SQL Injection vulnerability was found in PostgreSQL if it uses @extowner@, @extschema@, or @extschema:...@ inside a quoting construct (dollar quoting, '', or ""). If an administrator has installed files of a vulnerable, trusted, non-bundled extension, an attacker with database-level CREATE privilege can execute arbitrary code as the bootstrap superuser.
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Published
- 2023-08-10
- Last Modified
- 2026-09-30
Frequently asked questions
What is CVE-2023-39417?
IN THE EXTENSION SCRIPT, a SQL Injection vulnerability was found in PostgreSQL if it uses @extowner@, @extschema@, or @extschema:...@ inside a quoting construct (dollar quoting, '', or ""). If an administrator has installed files of a vulnerable, trusted, non-bundled extension, an attacker with database-level CREATE privilege can execute arbitrary code as the bootstrap superuser.
Is CVE-2023-39417 actively exploited?
Active exploitation of CVE-2023-39417 has not been confirmed. Its EPSS score was 1.7% on 2026-10-01, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2023-39417?
CVE-2023-39417 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
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