Security readout for executives and security teams
Plain-English summary
Cisco Firepower Management Center has a stored cross-site scripting flaw in its web management interface. If an attacker convinces an interface user to click a crafted link, browser script could run in that user’s session and expose browser-based information or alter interface-visible data.
Executive priority
Treat this as a moderate-priority management-plane issue. It is not described as actively exploited, but compromise of an FMC administrator’s browser context can affect security operations. Prioritize patch verification and management interface access control.
Technical view
The issue is CWE-79 input validation failure in Cisco FMC’s web-based management interface. CVSS v3.0 is 5.4: network reachable, low complexity, user interaction required, changed scope, low confidentiality and integrity impact, and no availability impact. The bundle does not specify affected versions.
Likely exposure
Exposure is most relevant where Cisco Firepower Management Center is deployed and its web management interface is reachable by administrators or operators. Risk rises if management access is broadly reachable or users interact with untrusted links while authenticated.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. Exploitation requires persuading a web interface user to click a crafted link, so phishing or targeted administrator social engineering is the likely context.
Researcher notes
The record names Cisco FMC and CWE-79 but does not provide version ranges or fixed releases in the supplied bundle. The description says unauthenticated remote attacker, while the CVSS vector includes PR:L; preserve that source ambiguity during assessment.
Mitigation direction
- Review Cisco’s advisory for affected and fixed software details.
- Upgrade or patch FMC according to Cisco guidance.
- Restrict FMC management interface access to trusted administrative networks.
- Warn FMC administrators against opening untrusted links during active sessions.
- Monitor Cisco advisories for any revised remediation guidance.
Validation and detection
- Inventory all Cisco Firepower Management Center deployments.
- Compare installed FMC versions against Cisco’s advisory.
- Confirm management interfaces are not broadly internet-accessible.
- Review access controls for administrative FMC users.
- Check logs for unusual administrative web activity around suspicious links.
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-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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-2019-15270 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
- 5.4 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/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:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N2.32.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.4MediumVector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- 20191016 Cisco Firepower Management Center Stored Cross-Site Scripting VulnerabilityCVE reference · vendor-advisory, x_refsource_CISCO
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.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.