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

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CVE-2002-0886

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
04/10/2002
Last modified:
03/04/2025

Description

Cisco DSL CPE devices running CBOS 2.4.4 and earlier allows remote attackers to cause a denial of service (hang or memory consumption) via (1) a large packet to the DHCP port, (2) a large packet to the Telnet port, or (3) a flood of large packets to the CPE, which causes the TCP/IP stack to consume large amounts of memory.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:cbos:2.0.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.1.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.1.0a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.2.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.2.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.2.1a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.3.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.3.5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.3.5.015:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.3.7:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.3.7.002:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.3.8:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.3.9:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cbos:2.3_.053:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools