CVE-2020-26071

Cisco SD-WAN vEdge Arbitrary File Creation Vulnerability

HIGH
8.4
CVSS Score
Published: November 18, 2024 at 04:05 PM UTC
Updated: June 17, 2026 at 03:07 AM UTC
4 products affected across 1 vendorCatalyst Sd WAN ManagerSD-WAN vEdge RouterSD-WAN vEdge Cloud

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Severity
HIGH8.4
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.4HIGHcisco
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-22

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