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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5 UNKNOWN
NETWORK
LOW
AV:N/AC:L/Au:N/C:P/I:N/A:N
ciscoCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 37%
VendorProductVersion
ciscoadaptive_security_appliance_software
9.3\(1.50\)
ciscoadaptive_security_appliance_software
9.3\(2.100\)
ciscoadaptive_security_appliance_software
9.3\(3\)
ciscoadaptive_security_appliance_software
9.4\(1\)
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
http://tools.cisco.com/security/center/viewAlert.x?alertId=40440
http://www.securitytracker.com/id/1033265
http://tools.cisco.com/security/center/viewAlert.x?alertId=40440
http://www.securitytracker.com/id/1033265