Security readout for executives and security teams
Plain-English summary
This CVE describes several cross-site scripting issues in pfSense WebGUI before version 2.1.4. An attacker could cause script or HTML to run in an administrator’s browser through specific WebGUI inputs or headers. The main business concern is compromise of firewall administration sessions, not direct firewall takeover from the CVE text alone.
Executive priority
Treat this as a cleanup and exposure-reduction item for legacy pfSense systems. Prioritize faster if the management interface is internet-facing or reachable by many internal users.
Technical view
CVE-2014-4687 covers multiple XSS flaws in pfSense before 2.1.4 affecting firewall_schedule.php, rss.widget.php, services_status.widget.php, exec.php, and log.widget.php inputs or HTTP Referer handling. The source bundle provides no CVSS, CWE, exploit details, or affected CPEs beyond the pfSense version statement.
Likely exposure
Exposure is likely limited to pfSense deployments running versions before 2.1.4, especially where the WebGUI is reachable by untrusted users or networks. The bundle does not identify other affected products or supported branches.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. The CVE describes remote XSS vectors, which usually require interaction with the WebGUI context or an administrator viewing affected content.
Researcher notes
Evidence is sparse: no CVSS, CWE, exploit status, or detailed patch notes are present in the bundle. Analysis should stay anchored to the pfSense advisory and CVE description, with validation focused on version and WebGUI reachability.
Mitigation direction
- Upgrade affected pfSense systems to 2.1.4 or later where applicable.
- Review the pfSense security advisory for vendor-confirmed remediation guidance.
- Restrict WebGUI access to trusted administrative networks while remediation is verified.
- Audit administrative accounts and sessions after remediation if exposure was broad.
Validation and detection
- Inventory pfSense appliances and confirm whether any run versions before 2.1.4.
- Confirm WebGUI exposure boundaries from firewall rules and management network design.
- Review WebGUI logs for unusual requests to the named affected pages.
- Verify remediation against the pfSense advisory and internal change records.
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-2014-4687 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://pfsense.org/security/advisories/pfSense-SA-14_09.webgui.ascCVE 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.