Security readout for executives and security teams
Plain-English summary
M-Files New Web exposed a file download key in a way that could be captured in logs. If those logs were accessible to staff, administrators, or attackers, confidential vault file access could be exposed. The issue affects versions before 22.11.12011.0.
Executive priority
Handle as a confidentiality risk, not an emergency ransomware-style issue. Prioritize upgrade and log access review for any internet-facing or broadly used M-Files New Web deployment.
Technical view
CVE-2022-3284 is CWE-200 information disclosure in M-Files New Web. The CVSS 3.1 score is 6.5, with network attack vector, low complexity, required privileges, no user interaction, and high confidentiality impact. Integrity and availability are not rated as impacted.
Likely exposure
Exposure is likely limited to organizations running M-Files New Web before 22.11.12011.0. Risk is higher where application, proxy, SIEM, or support logs are broadly accessible or retained for long periods.
Exploitation context
The provided sources do not report active exploitation, and the CVE is not listed as KEV. The main abuse scenario is misuse of download keys that were inadvertently logged. Public technical detail is limited.
Researcher notes
The sources identify the insecure transmission/logging risk but do not provide detailed implementation mechanics, exploit procedures, or compensating controls. Avoid assuming affected components beyond M-Files New Web before 22.11.12011.0.
Mitigation direction
- Upgrade M-Files New Web to 22.11.12011.0 or later.
- Review M-Files vendor advisory guidance for any additional remediation steps.
- Restrict access to web, application, proxy, and SIEM logs.
- Reduce retention of logs that may contain sensitive download keys.
- Treat any exposed download keys as sensitive credentials.
Validation and detection
- Inventory all M-Files New Web deployments and record exact versions.
- Confirm no instance remains below 22.11.12011.0.
- Review logging pipelines for captured file download keys.
- Check who can access historical logs containing M-Files web requests.
- Document remediation evidence for vulnerability management closure.
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-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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-2022-3284 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
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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:L/PR:L/UI:N/S:U/C:H/I:N/A:N2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.m-files.com/about/trust-center/security-advisories/cve-2022-3284/CVE reference · vendor-advisory
- https://product.m-files.com/security-advisories/cve-2022-3284/CVE reference · vendor-advisory
- https://empower.m-files.com/security-advisories/CVE-2022-3284CVE 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.