CVE-2021-1145 MEDIUM

CVE-2021-1145: Cisco StarOS for Cisco ASR 5000 Series Routers Arbitrary File Read Vulnerability

Vendor Cisco
Product Cisco ASR 5000 Series Software
Weakness CWE-61
Published January 13, 2021
Last update November 12, 2024

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

What the vulnerability does

01Description

A vulnerability in the Secure FTP (SFTP) of Cisco StarOS for Cisco ASR 5000 Series Routers could allow an authenticated, remote attacker to read arbitrary files on an affected device. To exploit this vulnerability, the attacker would need to have valid credentials on the affected device. The vulnerability is due to insecure handling of symbolic links. An attacker could exploit this vulnerability by sending a crafted SFTP command to an affected device. A successful exploit could allow the attacker to read arbitrary files on the affected device.

Key dates

02Disclosure timeline

January 13, 2021 CVE published
November 12, 2024 Record updated