CVE-2015-4321

Published Aug 20, 2015

Last updated a year ago

Overview

Description: 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.
Source: ykramarz@cisco.com
NVD status: Modified

Hype score: Not currently trending

Risk scores

CVSS 2.0

Type: Primary
Base score: 5
Impact score: 2.9
Exploitability score: 10
Vector string: AV:N/AC:L/Au:N/C:P/I:N/A:N

Weaknesses

nvd@nist.gov: CWE-20

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:9.3\\(1.50\\):*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "1E044883-9952-477A-B2AA-3E0BB90C96A0"
          },
          {
            "criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:9.3\\(2.100\\):*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "6F4A28B7-87A2-464A-92A8-644E3F7D13D7"
          },
          {
            "criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:9.3\\(3\\):*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "63FECF84-4FFB-443E-8529-A1FA4D1D821C"
          },
          {
            "criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:9.4\\(1\\):*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "B854F299-3798-41E7-9C02-17729B75B01C"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

Overview

Social media

Risk scores

CVSS 2.0

Weaknesses

Configurations

References