Vulnerability Details CVE-2015-4321
The Unicast Reverse Path Forwarding (uRPF) implementation in Cisco Adaptive Security Appliance (ASA) Software 9.3(1.50), 9.3(2.100), 9.3(3), and 9.4(1) mishandles cases where an IP address belongs to an internal interface but is also in the ASA routing table, which allows remote attackers to bypass uRPF validation via spoofed packets, aka Bug ID CSCuv60724.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 43.8%
CVSS Severity
CVSS v2 Score 5.0
Products affected by CVE-2015-4321
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cpe:2.3:o:cisco:adaptive_security_appliance_software:9.3(1.50)
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cpe:2.3:o:cisco:adaptive_security_appliance_software:9.3(2.100)
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cpe:2.3:o:cisco:adaptive_security_appliance_software:9.3(3)
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cpe:2.3:o:cisco:adaptive_security_appliance_software:9.4(1)