CVE-2021-38140
The set_user extension module before 2.0.1 for PostgreSQL allows a potential privilege escalation...
The set_user extension module before 2.0.1 for PostgreSQL allows a potential privilege escalation using RESET SESSION AUTHORIZATION after set_user().
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
The set_user extension module before 2.0.1 for PostgreSQL allows a potential privilege escalation using RESET SESSION AUTHORIZATION after set_user().
- Record
CVE-2021-38140- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-269
- Updated
- 2026-11-02
CVE List No score
The set_user extension module before 2.0.1 for PostgreSQL allows a potential privilege escalation using RESET SESSION AUTHORIZATION after set_user().
- Record
CVE-2021-38140- Updated
- 2026-11-02
EUVDEUVD-2021-24613 No score
The set_user extension module before 2.0.1 for PostgreSQL allows a potential privilege escalation using RESET SESSION AUTHORIZATION after set_user().
- Record
EUVD-2021-24613- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4fj7-2258-8pjp No score
The set_user extension module before 2.0.1 for PostgreSQL allows a potential privilege escalation...
The set_user extension module before 2.0.1 for PostgreSQL allows a potential privilege escalation using RESET SESSION AUTHORIZATION after set_user().
- Record
GHSA-4fj7-2258-8pjp- Weakness
- CWE-269
- Updated
- 2026-11-02
OSV
The set_user extension module before 2.0.1 for PostgreSQL allows a potential privilege escalation using RESET SESSION AUTHORIZATION after set_user().
- Record
CVE-2021-38140- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-38140 is a critical vulnerability (CVSS 9.8) in Set User Project User, published August 10, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.29%, the 70th percentile. No source names a fixed version.