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CVE-2018-0122

CVE information

Published

4 years ago

Last Modified

2 years ago

CVSSv2.0 Severity

Medium

CVSSv3.1 Severity

Medium

Impact Analysis

Description

A vulnerability in the CLI of the Cisco StarOS operating system for Cisco ASR 5000 Series Aggregation Services Routers could allow an authenticated, local attacker to overwrite system files that are stored in the flash memory of an affected system. The vulnerability is due to insufficient validation of user-supplied input by the affected operating system. An attacker could exploit this vulnerability by injecting crafted command arguments into a vulnerable CLI command for the affected operating system. A successful exploit could allow the attacker to overwrite or modify arbitrary files that are stored in the flash memory of an affected system. To exploit this vulnerability, the attacker would need to authenticate to an affected system by using valid administrator credentials. Cisco Bug IDs: CSCvf93335..

CVSSv2.0 Score

Severity
Medium
Base Score
6.6/10
Exploit Score
3.9/10
Access Vector
Local
Access Complexity
Low
Authentication Required
None
Impact Score
9.2/10
Confidentiality Impact
None
Availability Impact
Complete
Integrity Impact
Complete

CVSSv3.1 Score

Severity
Medium
Base Score
4.4/10
Exploit Score
0.8/10
Access Vector
Local
Access Complexity
Low
Privileges Required
High
Impact Score
3.6/10
Confidentiality Impact
None
Availability Impact
None
Integrity Impact
High
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:o:cisco:staros:21.3.0.67664:*:*:*:*:*:*:*
  Yes
-
cpe:2.3:h:cisco:asr_5500:-:*:*:*:*:*:*:*
  No
-
cpe:2.3:h:cisco:asr_5700:-:*:*:*:*:*:*:*
  No
-
cpe:2.3:h:cisco:asr_5000:-:*:*:*:*:*:*:*
  No
-