CVE-2021-1258 MEDIUM

CVE-2021-1258: Cisco AnyConnect Secure Mobility Client Arbitrary File Read Vulnerability

Vendor Cisco
Product Cisco AnyConnect Secure Mobility Client
Weakness CWE-264
Published January 13, 2021
Last update November 12, 2024

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A vulnerability in the upgrade component of Cisco AnyConnect Secure Mobility Client could allow an authenticated, local attacker with low privileges to read arbitrary files on the underlying operating system (OS) of an affected device. The vulnerability is due to insufficient file permission restrictions. An attacker could exploit this vulnerability by sending a crafted command from the local CLI to the application. A successful exploit could allow the attacker to read arbitrary files on the underlying OS of the affected device. The attacker would need to have valid user credentials to exploit this vulnerability.

Key dates

02Disclosure timeline

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