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CVE-2024-20313

Severity CVSS v4.0:
Pending analysis
Type:
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Publication date:
24/04/2024
Last modified:
30/04/2024

Description

A vulnerability in the OSPF version 2 (OSPFv2) feature of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to improper validation of OSPF updates that are processed by a device. An attacker could exploit this vulnerability by sending a malformed OSPF update to the device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.

Impact

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

Base Score: 7.40 HIGH
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

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

Base Score 3.x
7.40
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:ios_xe:17.5.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.5.1a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.6.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.6.1a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.6.1w:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.6.1x:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.6.1y:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.6.1z:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.6.1z1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.6.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.6.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.6.3a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.6.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.6.5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.6.5a:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools