What is CVE-2021-23166?

CVE-2021-23166 is a high-severity vulnerability in Odoo, classified under Privilege Defined With Unsafe Actions. CVSS score: 8.7/10. Published 2023-04-25.

How severe is CVE-2021-23166?

High severity. CVSS v3 base score is 8.7 out of 10.

Is CVE-2021-23166 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Privilege escalation in Odoo

CVE-2021-23166

A sandboxing issue in Odoo Community 15.0 and earlier and Odoo Enterprise 15.0 and earlier allows authenticated administrators to read and write local files on the server.

Published 2023-04-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.006 (49.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Odoo
Odoo Community — versions 0
Odoo Enterprise — versions 0

Weakness classification (CWE)

Public proof-of-concept exploits

References

github.com/odoo/odoo/issues/107687 (Patch, Issue Tracking, Vendor Advisory)
www.debian.org/security/2023/dsa-5399

Frequently asked questions

What is CVE-2021-23166?: CVE-2021-23166 is a high-severity vulnerability in Odoo, classified under Privilege Defined With Unsafe Actions. CVSS score: 8.7/10. Published 2023-04-25.
How severe is CVE-2021-23166?: High severity. CVSS v3 base score is 8.7 out of 10.
Is CVE-2021-23166 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.