Security readout for executives and security teams
Plain-English summary
This flaw lets an authenticated Odoo administrator break out of intended sandbox limits and read or write local server files. It is not described as unauthenticated remote access, but it can turn a compromised or malicious admin account into serious server-side data and integrity risk.
Executive priority
Treat this as high priority where Odoo admins are exposed to phishing, weak access controls, or broad server permissions. It is less urgent than unauthenticated remote code execution, but compromise can affect sensitive files and business data integrity.
Technical view
CVE-2021-23166 is a sandboxing issue in Odoo Community and Enterprise 15.0 and earlier. The CVSS 3.0 vector is AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N, reflecting network reachability, high privileges required, changed scope, and high confidentiality and integrity impact.
Likely exposure
Organizations running Odoo Community or Enterprise 15.0 or earlier are the stated exposure population. Internet-facing Odoo portals matter most when administrator accounts are externally reachable, weakly protected, or shared.
Exploitation context
The provided sources do not show CISA KEV listing or confirmed active exploitation. Exploitation requires authenticated administrator privileges, so practical risk depends heavily on admin account compromise, insider misuse, and server file permission boundaries.
Researcher notes
The provided bundle gives strong impact and CVSS details, but limited fix detail. The affected metadata appears sparse, so researchers should verify exact maintained branches, package status, and vendor advisory context before scoping final exposure.
Mitigation direction
- Inventory Odoo Community and Enterprise deployments and identify versions 15.0 or earlier.
- Apply relevant Odoo or Debian security updates, using DSA-5399 where Debian packages are used.
- Restrict Odoo administrator access to trusted users and protected management paths.
- Enforce strong MFA and remove shared or stale administrator accounts.
- Review vendor guidance before applying compensating controls not named in public sources.
Validation and detection
- Confirm each Odoo instance version and edition against the affected 15.0-and-earlier statement.
- Check package provenance and patch status against Odoo guidance or Debian DSA-5399.
- Review administrator accounts for unexpected users, weak ownership, or stale access.
- Inspect Odoo and system audit logs for unusual administrator activity or file changes.
- Validate server file permissions limit what the Odoo process can read or write.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-267: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-276: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2021-23166 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.7 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N2.35.8Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.7HighVector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/odoo/odoo/issues/107687CVE reference
- https://www.debian.org/security/2023/dsa-5399CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Privilege Defined With Unsafe Actions
Privilege Defined With Unsafe Actions represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Incorrect Default Permissions
Incorrect Default Permissions represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.