Security readout for executives and security teams
Plain-English summary
CVE-2021-41013 lets an unauthenticated user access FortiWeb log reports directly by URL in affected versions. The business risk is unintended disclosure of report data, not system takeover. Impact depends on what reports contain and whether affected FortiWeb interfaces or report URLs are reachable from untrusted networks.
Executive priority
Treat as a moderate-priority data exposure issue. Prioritize FortiWeb systems that are internet-facing, widely reachable, or likely to contain sensitive application security reports or operational logs.
Technical view
This is a CWE-284 improper access control issue in Fortinet FortiWeb Log & Report, Report Browse. FortiWeb 6.4.1 and below in the 6.4 line, and 6.3.15 and below in the 6.3 line, may expose log reports through direct URLs without authorization. CVSS 3.1 score is 5.3, confidentiality-only impact.
Likely exposure
Exposure is likely where affected FortiWeb 6.3.0-6.3.15 or 6.4.0-6.4.1 deployments have report URLs reachable by unauthenticated users, especially across internet-facing or broadly accessible management paths.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation. The CVSS vector indicates network reachability, low complexity, no privileges, and no user interaction, with limited confidentiality impact.
Researcher notes
Evidence is limited to the CVE description, CVSS data, affected version list, and Fortinet advisory reference. No exploit mechanics, patch version, or active exploitation evidence is included in the supplied bundle.
Mitigation direction
- Identify all FortiWeb deployments and versions.
- Check Fortinet advisory FG-IR-21-138 for vendor remediation guidance.
- Upgrade or remediate only according to Fortinet’s published guidance.
- Restrict access to FortiWeb administrative and reporting paths.
- Monitor for unauthenticated requests to report URLs.
Validation and detection
- Compare deployed versions with the affected FortiWeb version list.
- Confirm whether reporting paths are reachable from untrusted networks.
- Review access logs for unauthenticated report URL access.
- Verify remediation status against Fortinet advisory FG-IR-21-138.
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.
CVE-2021-41013 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
- 5.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:F/RL:U/RC:C
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:N/UI:N/S:U/C:L/I:N/A:N/E:F/RL:U/RC:C3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:F/RL:U/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- https://fortiguard.com/advisory/FG-IR-21-138CVE reference · x_refsource_CONFIRM
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.