SB2020100812 - Path traversal in Cisco Nexus Data Broker Software



SB2020100812 - Path traversal in Cisco Nexus Data Broker Software

Published: October 8, 2020

Security Bulletin ID SB2020100812
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Path traversal (CVE-ID: CVE-2020-3597)

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

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


The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the configuration restore feature. A remote attacker can trick an administrator to restore a crafted configuration backup file and overwrite arbitrary files.


Remediation

Install update from vendor's website.