Secure Firewall Management Center
CVE-2016-6439
HIGH
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
1DescriptionCVE.org
A vulnerability in the detection engine reassembly of HTTP packets for Cisco Firepower System Software before 6.0.1 could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition due to the Snort process unexpectedly restarting. The vulnerability is due to improper handling of an HTTP packet stream. An attacker could exploit this vulnerability by sending a crafted HTTP packet stream to the detection engine on the targeted device. An exploit could allow the attacker to cause a DoS condition if the Snort process restarts and traffic inspection is bypassed or traffic is dropped.
AnalysisAI
A vulnerability in the detection engine reassembly of HTTP packets for Cisco Firepower System Software before 6.0.1 could allow an unauthenticated, remote attacker to cause a denial of service (DoS). Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-399. A vulnerability in the detection engine reassembly of HTTP packets for Cisco Firepower System Software before 6.0.1 could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition due to the Snort process unexpectedly restarting. The vulnerability is due to improper handling of an HTTP packet stream. An attacker could exploit this vulnerability by sending a crafted HTTP packet stream to the detection engine on the targeted device. An exploit could allow the attacker to cause a DoS condition if the Snort process restarts and traffic inspection is bypassed or traffic is dropped. Affected products include: Cisco Secure Firewall Management Center. Version information: before 6.0.1.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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A vulnerability in the web-based management interface of Cisco Secure Firewall Management Center (FMC) Software, formerl
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The web-based GUI in Cisco Firepower Management Center 4.x and 5.x before 5.3.1.2 and 5.4.x before 5.4.0.1 and Cisco Ada
The web-based GUI in Cisco Firepower Management Center 4.x and 5.x before 5.3.0.3, 5.3.1.x before 5.3.1.2, and 5.4.x bef
A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) Software could allow an
Multiple vulnerabilities in the web-based management interface of Cisco Firepower Management Center (FMC) Software could
Multiple vulnerabilities in the web management interface of Cisco Firepower Management Center (FMC) Software could allow
Same weakness CWE-399 – Resource Management Errors
View allSame technique Denial Of Service
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External POC / Exploit Code
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