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CVE-2020-26071

Cisco SD-WAN vEdge Arbitrary File Creation Vulnerability

Published: Nov 18, 2024Updated: Aug 4, 2025 Sources: CVE List NVD BDUCWE-22
NVD MITRE
8.4CVSSHIGH
EPSS Score
0.2%
Top 91.3%
CISA KEV
Not in KEV
Exploits
0 Known
Remediation
Patch Available

Description

A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to create or overwrite arbitrary files on an affected device, which could result in a denial of service (DoS) condition. The vulnerability is due to insufficient input validation for specific commands. An attacker could exploit this vulnerability by including crafted arguments to those specific commands. A successful exploit could allow the attacker to create or overwrite arbitrary files on the affected device, which could result in a DoS condition.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:CC:NI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-22

Affected Products

Cisco SD-WANCisco Systems Inc.Networking Infrastructure
Cisco Catalyst SD-WAN ManagerCiscoNetworking Infrastructure
Cisco SD-WAN vContainerCiscoNetworking Infrastructure
Cisco SD-WAN vEdge CloudCiscoNetworking Infrastructure
Cisco SD-WAN vEdge RouterCiscoNetworking Infrastructure
cisco systems inc.commercialUSNetworking Infrastructureaka cisco systems, cisco
ciscocommercialUSNetworking Infrastructureaka cisco systems, cisco systems inc.
and 1 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

0 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vsoln-arbfile-gtsEYxns
tools.cisco.com
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vsoln-arbfile-gtsEYxns
sec.cloudapps.cisco.com

Timeline

Published
Nov 18, 2024
Last Updated
Aug 4, 2025

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