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CVE-2018-0481

CVE information

Published

3 years ago

Last Modified

1 year ago

CVSSv2.0 Severity

High

CVSSv3.1 Severity

Medium

Impact Analysis

Description

A vulnerability in the CLI parser of Cisco IOS XE Software could allow an authenticated, local attacker to execute commands on the underlying Linux shell of an affected device with root privileges. The vulnerability exist because the affected software improperly sanitizes command arguments, failing to prevent access to certain internal data structures on an affected device. An attacker who has privileged EXEC mode (privilege level 15) access to an affected device could exploit these vulnerabilities on the device by executing CLI commands that contain custom arguments. A successful exploit could allow the attacker to execute arbitrary commands with root privileges on the affected device..

CVSSv2.0 Score

Severity
High
Base Score
7.2/10
Exploit Score
3.9/10
Access Vector
Local
Access Complexity
Low
Authentication Required
None
Impact Score
10/10
Confidentiality Impact
Complete
Availability Impact
Complete
Integrity Impact
Complete

CVSSv3.1 Score

Severity
Medium
Base Score
6.7/10
Exploit Score
0.8/10
Access Vector
Local
Access Complexity
Low
Privileges Required
High
Impact Score
5.9/10
Confidentiality Impact
High
Availability Impact
High
Integrity Impact
High
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:o:cisco:ios_xe:16.7\(1\):*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:cisco:ios_xe:16.7.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:cisco:ios_xe:15.3\(3\)s3.16:*:*:*:*:*:*:*
  Yes
- -