Security readout for executives and security teams
This flaw could let an outside attacker slip some TCP traffic past Cisco Firepower IPS rules. It does not grant direct system control, but it weakens a network control executives may rely on to detect or block threats. Exposure is most likely where Cisco Firepower System Software or Firepower Management Center-managed deployments inspect TCP traffic with IPS rules. The bundle does not provide affected release numbers, so version confirmation must come from Cisco's advisory. Treat as a control-bypass risk. Prioritize environments where Firepower IPS protects sensitive segments, internet-facing paths, or compensates for weaker host controls. Mitigation focus: Review Cisco's advisory for affected releases and fixed software guidance.; Upgrade or remediate affected Firepower deployments according to Cisco guidance.; Do not rely on this IPS control as the only barrier for critical services..
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
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ATT&CK lookup starting points
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Open ATT&CK lookupCVE-2018-15443 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
- 20181107 Cisco Firepower Detection Engine TCP Intrusion Prevention System Rule 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.
Uncontrolled Resource Consumption
Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.