SB2021050619 - Arbitrary file corruption in Cisco SD-WAN Software



SB2021050619 - Arbitrary file corruption in Cisco SD-WAN Software

Published: May 6, 2021

Security Bulletin ID SB2021050619
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Files or Directories Accessible to External Parties (CVE-ID: CVE-2021-1512)

CWE-ID: CWE-552 - Files or Directories Accessible to External Parties

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to overwrite arbitrary files on the system.

The vulnerability exists in the CLI of Cisco SD-WAN Software when processing user-supplied input parameters of a specific CLI command. A local user can run a specially crafted command and corrupt arbitrary files on the system.


Remediation

Install update from vendor's website.