CVE-2017-3864

Description

A vulnerability in the DHCP client implementation of Cisco IOS (12.2, 12.4, and 15.0 through 15.6) and Cisco IOS XE (3.3 through 3.7) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability occurs during the parsing of a crafted DHCP packet. An attacker could exploit this vulnerability by sending crafted DHCP packets to an affected device that is configured as a DHCP client. A successful exploit could allow the attacker to cause a reload of an affected device, resulting in a DoS condition. This vulnerability affects Cisco devices that are running a vulnerable release of Cisco IOS or IOS XE Software and using a specific DHCP client configuration. Cisco Bug IDs: CSCuu43892.

Risk Information

Base Score

8.6

MODERATE

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

EPSS Score

Exploitation Probability

1.125

Associated Vulnerability

Vulnerability	OS Platform
Cisco IOS and IOS XE Software DHCP Client Denial of Service Vulnerability For Cisco IOS	NCM
Cisco IOS and IOS XE Software DHCP Client Denial of Service Vulnerability For Cisco IOS XE Software	NCM
CVE-2017-3864	NCM

Patch Details

Click to see the patches provided by ManageEngine for this CVE

Patch ID	Patch Description
PATCH-1706090	Security Update for Cisco IOS Amsterdam-17.2.1r
PATCH-1706107	Security Update for Cisco IOS XE Software 5.2(1)SV5(1.3a)

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234