Security readout for executives and security teams
Plain-English summary
Cisco FMC could fail to enforce file and malware inspection for certain HTTP traffic passing through affected deployments. That means malicious content might pass where security policy should block or inspect it. The reported impact is limited to policy bypass, not device takeover, but it weakens a key security control.
Executive priority
Treat as a moderate control-bypass issue. It does not indicate compromise or remote code execution, but it can reduce malware filtering effectiveness in affected Cisco security stacks.
Technical view
CVE-2019-12701 is an unauthenticated remote policy bypass in Cisco Firepower Management Center Software file and malware inspection. The issue is insufficient validation of incoming traffic, classified as CWE-20. CVSS 3.0 is 5.8, with network access, low complexity, no privileges, no user interaction, changed scope, and low integrity impact.
Likely exposure
Exposure is most relevant where Cisco FMC manages file and malware inspection policies for HTTP traffic on affected Firepower deployments. The bundle does not identify exact affected versions, so organizations need vendor advisory review and asset inventory confirmation.
Exploitation context
The source bundle says exploitation requires sending crafted HTTP traffic through an affected device. CISA KEV status is false, and no cited source in the bundle states active exploitation.
Researcher notes
Evidence supports a traffic validation flaw causing policy bypass only. Affected versions are unspecified in the bundle, and no exploit status beyond non-KEV is provided. Avoid assuming broader Firepower products or fixes not named by Cisco.
Mitigation direction
- Review the Cisco advisory for affected releases and fixed software guidance.
- Apply Cisco-provided updates or remediation exactly as vendor guidance specifies.
- Prioritize environments relying on FMC file and malware inspection for HTTP enforcement.
- Monitor compensating controls for malicious file transfer or allowed malware indicators.
Validation and detection
- Inventory Cisco FMC deployments and record software versions.
- Confirm whether file and malware inspection policies are enabled for HTTP traffic.
- Compare installed versions and configurations against Cisco advisory guidance.
- Review security logs for unexpected HTTP traffic bypassing inspection policy outcomes.
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-20: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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-2019-12701 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
- 5.8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/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:N/UI:N/S:C/C:N/I:L/A:N3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.8MediumVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- 20191002 Cisco Firepower Management Center Software File and Malware Policy Bypass 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 Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
