CVE-2018-15443

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Summary

CVECVE-2018-15443
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2018-11-08 17:29:00 UTC
Updated2019-10-09 23:35:00 UTC
DescriptionA vulnerability in the detection engine of Cisco Firepower System Software could allow an unauthenticated, remote attacker to bypass a configured Intrusion Prevention System (IPS) rule that inspects certain types of TCP traffic. The vulnerability is due to incorrect TCP retransmission handling. An attacker could exploit this vulnerability by sending a crafted TCP connection request through an affected device. A successful exploit could allow the attacker to bypass configured IPS rules and allow uninspected traffic onto the network.

Risk And Classification

Problem Types: CWE-400

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Cisco Firepower System Software - All All All
Application Cisco Firepower System Software - All All All

References

ReferenceSourceLinkTags
Cisco Firepower Detection Engine TCP Intrusion Prevention System Rule Bypass Vulnerability CISCO tools.cisco.com Vendor Advisory
Cisco Firepower System Software CVE-2018-15443 Security Bypass Vulnerability BID www.securityfocus.com Third Party Advisory, VDB Entry
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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