CiscoCVELIST:CVE-2020-3174CVE-2020-3174 Cisco NX-OS Software Anycast Gateway Invalid ARP Vulnerability
4.7 Medium
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
4.7 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
25.2%
A vulnerability in the anycast gateway feature of Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a device to learn invalid Address Resolution Protocol (ARP) entries. The ARP entries are for nonlocal IP addresses for the subnet. The vulnerability is due to improper validation of a received gratuitous ARP (GARP) request. An attacker could exploit this vulnerability by sending a malicious GARP packet on the local subnet to cause the ARP table on the device to become corrupted. A successful exploit could allow the attacker to populate the ARP table with incorrect entries, which could lead to traffic disruptions.
CNA Affected
[
{
"product": "Cisco NX-OS Software 7.3(2)D1(1d)",
"vendor": "Cisco",
"versions": [
{
"lessThan": "n/a",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]Related
4.7 Medium
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
4.7 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
25.2%