Security readout for executives and security teams
Plain-English summary
This is a low-severity M-Files Web issue where permissions could be assigned incorrectly in versions before 22.5.11436.1. The business risk is limited disclosure of information, not system takeover or outage, based on the provided CVSS vector.
Executive priority
Treat as routine remediation unless M-Files Web stores especially sensitive documents or permission governance is already weak. Prioritize version confirmation and permission review over emergency response.
Technical view
CVE-2022-4270 is a CWE-269 incorrect privilege assignment vulnerability in M-Files Web before 22.5.11436.1. CVSS 3.1 is 2.0: network attack vector, high complexity, high privileges required, user interaction required, unchanged scope, low confidentiality impact, and no integrity or availability impact.
Likely exposure
Exposure is most likely limited to organizations running M-Files Web versions older than 22.5.11436.1. The bundle does not provide CPEs or a detailed product matrix, so asset validation should use installed version data and vendor advisory guidance.
Exploitation context
No active exploitation is indicated in the provided sources, and this CVE is not listed as KEV. The CVSS vector suggests exploitation is constrained by high complexity, required high privileges, and user interaction.
Researcher notes
The source bundle identifies the issue class and fixed version boundary but provides limited affected-version detail and no CPEs. Validation should focus on version inventory, permission state review, and vendor advisory confirmation, not exploit reproduction.
Mitigation direction
- Identify all M-Files Web deployments and record exact installed versions.
- Upgrade M-Files Web to 22.5.11436.1 or later where applicable.
- Review vendor advisories before applying changes in production.
- Audit permissions for recent unexpected or accidental changes.
Validation and detection
- Confirm no M-Files Web instance is older than 22.5.11436.1.
- Review M-Files permission assignments for unintended access expansion.
- Check logs for unusual privileged permission changes around exposure windows.
- Verify remediation against the vendor advisory after upgrade.
Public sources used
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-269: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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-2022-4270 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
- Low
- CVSS
- 2 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/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:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N0.51.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
2LowVector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.m-files.com/about/trust-center/security-advisories/cve-2022-4270/CVE reference
- https://product.m-files.com/security-advisories/cve-2022-4270/CVE reference · vendor-advisory
- https://empower.m-files.com/security-advisories/CVE-2022-4270CVE reference · vendor-advisory
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.
Improper Privilege Management
Improper Privilege Management represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.