Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2023-20080

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
23/03/2023
Last modified:
07/11/2023

Description

A vulnerability in the IPv6 DHCP version 6 (DHCPv6) relay and server features of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition. This vulnerability is due to insufficient validation of data boundaries. An attacker could exploit this vulnerability by sending crafted DHCPv6 messages to an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
7.50
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:ios:12.2\(6\)i1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1\(2\)sg:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1\(2\)sg1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1\(2\)sg2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1\(2\)sg3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1\(2\)sg4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1\(2\)sg5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1\(2\)sg6:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1\(2\)sg7:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1\(2\)sg8:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1\(2\)sy1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1\(2\)sy2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1\(2\)sy3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1\(2\)sy4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1\(2\)sy4a:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools