#VU51705 Files or Directories Accessible to External Parties in Cisco SD-WAN and Cisco SD-WAN vEdge Routers - CVE-2021-1434 

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Main Vulnerability Database Vulnerabilities #VU51705

#VU51705 Files or Directories Accessible to External Parties in Cisco SD-WAN and Cisco SD-WAN vEdge Routers - CVE-2021-1434

Published: March 24, 2021


Vulnerability identifier: #VU51705
Vulnerability risk: Low
CVSSv4.0: 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
CVE-ID: CVE-2021-1434
CWE-ID: CWE-552
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Cisco SD-WAN
Cisco SD-WAN vEdge Routers
Software vendor:
Cisco Systems, Inc

Description

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

The vulnerability exists in the CLI of Cisco IOS XE SD-WAN due to improper input validation. A local user can overwrite and corrupt arbitrary files on the system.

The vulnerability affects the following products with enabled SD-WAN:

  • 1000 Series Integrated Services Routers (ISRs)
  • 4000 Series ISRs
  • ASR 1000 Series Aggregation Services Routers
  • Cloud Services Router 1000V Series


Remediation

Install updates from vendor's website.

External links