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

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CVE-1999-0160

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
01/10/1997
Last modified:
03/04/2025

Description

Some classic Cisco IOS devices have a vulnerability in the PPP CHAP authentication to establish unauthorized PPP connections.

Impact

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

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

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

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:ios:4.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:9.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:10.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:11.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:11.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:11.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:11.2p:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools