Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2024-20433

Severity CVSS v4.0:
Pending analysis
Type:
CWE-787 Out-of-bounds Write
Publication date:
25/09/2024
Last modified:
03/10/2024

Description

A vulnerability in the Resource Reservation Protocol (RSVP) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition.<br /> <br /> This vulnerability is due to a buffer overflow when processing crafted RSVP packets. An attacker could exploit this vulnerability by sending RSVP traffic to an affected 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: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:12.0\(24\)s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(24\)s1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(24\)s2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(24\)s2a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(24\)s2b:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(24\)s3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(24\)s4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(24\)s4a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(24\)s5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(24\)s6:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(25\)s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(25\)s1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(25\)s1a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(25\)s1b:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(25\)s1c:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools