SB2020062318 - Path traversal in Cisco Enterprise NFV Infrastructure Software



SB2020062318 - Path traversal in Cisco Enterprise NFV Infrastructure Software

Published: June 23, 2020

Security Bulletin ID SB2020062318
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Path traversal (CVE-ID: CVE-2020-3236)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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


The vulnerability allows a local user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the CLI command arguments. A local user can send a specially crafted HTTP request, gain root shell access to the underlying operating system and overwrite or read arbitrary files on an affected device.


Remediation

Install update from vendor's website.