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

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CVE-2016-1335

Severity CVSS v4.0:
Pending analysis
Type:
CWE-264 Permissions, Privileges, and Access Control
Publication date:
19/02/2016
Last modified:
12/04/2025

Description

The SSH implementation in Cisco StarOS before 19.3.M0.62771 and 20.x before 20.0.M0.62768 on ASR 5000 devices mishandles a multi-user public-key authentication configuration, which allows remote authenticated users to gain privileges by establishing a connection from an endpoint that was previously used for an administrator's connection, aka Bug ID CSCux22492.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:H/Au:S/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.10 HIGH
Vector: AV:N/AC:H/Au:S/C:C/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): High
Authentication (Au): Single
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
7.10
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:cisco:asr_5000_series_software:16.5.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asr_5000_series_software:17.7.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asr_5000_series_software:18.4.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asr_5000_series_software:19.0.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asr_5000_series_software:19.3.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asr_5000_series_software:20.0.0:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools