Security readout for executives and security teams
Plain-English summary
FortiPortal versions before 6.0.6 have web interface flaws that let a low-privileged authenticated user exhaust resources and make the portal unavailable. The issue is about service disruption, not data theft or system takeover, but outage risk matters where FortiPortal supports customer or security operations.
Executive priority
Treat this as a moderate availability risk. Prioritize remediation if FortiPortal is internet-exposed, shared with many low-privileged users, or supports customer-facing managed security operations.
Technical view
CVE-2021-32595 is multiple uncontrolled resource consumption vulnerabilities in FortiPortal's web interface before 6.0.6. CVSS 3.1 is 6.5, network reachable, low complexity, low privileges required, no user interaction, and high availability impact only.
Likely exposure
Exposure is limited to Fortinet FortiPortal deployments running versions before 6.0.6. Risk is higher where the FortiPortal web interface is reachable by many tenant, operator, or customer accounts.
Exploitation context
The source bundle does not cite active exploitation, and CISA KEV status is false. The CVSS vector lists functional exploit maturity, but exploitation still requires low-privileged access and results in denial of service rather than confidentiality or integrity compromise.
Researcher notes
The public details are sparse: no CWE is listed, and the bundle does not describe the specific resource exhaustion paths. Validate exposure by version and access model, not by attempting denial-of-service behavior in production.
Mitigation direction
- Confirm FortiPortal is upgraded to 6.0.6 or a later supported release.
- Review Fortinet advisory FG-IR-21-096 for vendor-specific remediation guidance.
- Restrict FortiPortal web interface access to trusted networks and required users.
- Monitor portal resource use and authenticated request spikes until remediation is complete.
Validation and detection
- Inventory FortiPortal instances and record exact software versions.
- Flag any FortiPortal deployment running a version before 6.0.6.
- Confirm web interface exposure and which low-privileged roles can authenticate.
- Review logs for repeated authenticated requests followed by resource exhaustion or outages.
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-2021-32595 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:N/I:N/A:H/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:L/UI:N/S:U/C:N/I:N/A:H/E:F/RL:U/RC:C2.83.6Primary 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:N/I:N/A:H/E:F/RL:U/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- https://fortiguard.com/advisory/FG-IR-21-096CVE 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.