#VU49575 UNIX symbolic link following in Cisco ASR 5000 Series and Cisco StarOS - CVE-2021-1145 

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Main Vulnerability Database Vulnerabilities #VU49575

#VU49575 UNIX symbolic link following in Cisco ASR 5000 Series and Cisco StarOS - CVE-2021-1145

Published: January 13, 2021 / Updated: January 18, 2021


Vulnerability identifier: #VU49575
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-1145
CWE-ID: CWE-61
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco ASR 5000 Series
Cisco StarOS
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to gain access to sensitive information on the system.

The vulnerability exists due to a symlink following issue in the Secure FTP (SFTP). A remote authenticated attacker can send a specially crafted SFTP command and read arbitrary files on the affected device.


Remediation

Install updates from vendor's website.

External links