Security readout for executives and security teams
This flaw can knock out TCP-based services on Cisco ASA or FTD devices when TCP syslog is in use. The attacker needs a man-in-the-middle position between the device and its TCP syslog server, but the impact can include loss of VPN and management access. Exposure is most likely where Cisco ASA or FTD devices are configured to use TCP syslog, especially across network paths where interception or traffic modification is plausible. Treat this as a high-priority availability risk for perimeter security infrastructure. Urgency is highest for internet-facing VPN environments or operational networks relying on ASA/FTD management access and TCP syslog. Mitigation focus: Review the Cisco advisory for affected releases, fixed software, and vendor guidance.; Prioritize ASA and FTD devices that use TCP syslog for remediation assessment.; Reduce opportunities for interception between devices and configured TCP syslog servers..
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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Open ATT&CK lookupCVE-2018-15399 mapping review
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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
- 20181003 Cisco Adaptive Security Appliance TCP Syslog Denial of Service 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.