CVE-2017-3847 Cisco CVE debrief

Who should care

Organizations running Cisco Firepower Management Center 6.2.1, especially teams that rely on the FMC web interface for administration and monitoring. Security and platform administrators should review the Cisco advisory and NVD record to confirm whether their deployment is affected and what remediation guidance applies.

Technical summary

The supplied sources describe a web-framework XSS condition in Cisco Firepower Management Center. The attack requires authentication and user interaction, and the CVSS vector shows network attackability with low complexity, limited privileges, and scope change. The NVD record maps the weakness to CWE-79 and identifies Cisco Firepower Management Center 6.2.1 as the affected release in the supplied corpus.

Defensive priority

Medium. Prioritize remediation if Cisco Firepower Management Center 6.2.1 is in production or exposed to a broad set of administrative users, because the flaw can be used to execute script in a victim user's browser session through the web interface.

Recommended defensive actions

• Confirm whether Cisco Firepower Management Center 6.2.1 is deployed in your environment.
• Review the Cisco Security Advisory for Cisco Firepower Management Center referenced in the official sources.
• Check the NVD entry for the current vulnerability status and any linked remediation details.
• Limit access to the FMC web interface to trusted administrative users and networks while remediation is assessed.
• Monitor for suspicious activity involving the FMC web interface and user sessions.

Evidence notes

All claims above are taken from the supplied CVE/NVD fields and the cited official links. The corpus states: authenticated remote attacker, XSS against a user of the web interface, known affected release 6.2.1, CVSS v3.0 5.4 with vector AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N, and CWE-79. No fixed version or exploit details were provided in the supplied source data.

Official resources