CVE-2020-26071: Cisco SD-WAN vEdge Arbitrary File Creation Vulnerability

Published Nov 18, 2024
·
Updated

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.

Affected Software

43 affected components
Cisco SD-WAN
Cisco Catalyst SD-WAN Manager=17.2.4
Cisco Catalyst SD-WAN Manager=17.2.5
Cisco Catalyst SD-WAN Manager=17.2.6
Cisco Catalyst SD-WAN Manager=17.2.7
Cisco Catalyst SD-WAN Manager=17.2.8
Cisco Catalyst SD-WAN Manager=17.2.9
Cisco Catalyst SD-WAN Manager=17.2.10
Cisco Catalyst SD-WAN Manager=18.2.0
Cisco Catalyst SD-WAN Manager=18.3.0
Cisco Catalyst SD-WAN Manager=18.3.1
Cisco Catalyst SD-WAN Manager=18.3.1.1
Cisco Catalyst SD-WAN Manager=18.3.3
Cisco Catalyst SD-WAN Manager=18.3.3.1
Cisco Catalyst SD-WAN Manager=18.3.4
Cisco Catalyst SD-WAN Manager=18.3.5
Cisco Catalyst SD-WAN Manager=18.3.6
Cisco Catalyst SD-WAN Manager=18.3.6.1
Cisco Catalyst SD-WAN Manager=18.3.7
Cisco Catalyst SD-WAN Manager=18.3.8
Cisco Catalyst SD-WAN Manager=18.4.0
Cisco Catalyst SD-WAN Manager=18.4.0.1
Cisco Catalyst SD-WAN Manager=18.4.1
Cisco Catalyst SD-WAN Manager=18.4.3
Cisco Catalyst SD-WAN Manager=18.4.4
Cisco Catalyst SD-WAN Manager=18.4.5
Cisco Catalyst SD-WAN Manager=18.4.302
Cisco Catalyst SD-WAN Manager=18.4.303
Cisco Catalyst SD-WAN Manager=18.4.501_es
Cisco Catalyst SD-WAN Manager=19.0.0
Cisco Catalyst SD-WAN Manager=19.0.1a
Cisco Catalyst SD-WAN Manager=19.1.0
Cisco Catalyst SD-WAN Manager=19.2.0
Cisco Catalyst SD-WAN Manager=19.2.1
Cisco Catalyst SD-WAN Manager=19.2.2
Cisco Catalyst SD-WAN Manager=19.2.3
Cisco Catalyst SD-WAN Manager=19.2.097
Cisco Catalyst SD-WAN Manager=19.2.098
Cisco Catalyst SD-WAN Manager=19.2.099
Cisco Catalyst SD-WAN Manager=19.3.0
Cisco Catalyst SD-WAN Manager=20.1.1
Cisco Catalyst SD-WAN Manager=20.1.1.1
Cisco Catalyst SD-WAN Manager=20.1.12

Event History

Nov 18, 2024
CVE Published
via MITRE·04:05 PM
Data Sourced
via MITRE·04:05 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2020-26071?

CVE-2020-26071 is rated as a high severity vulnerability due to its potential to cause denial of service conditions.

2

How do I fix CVE-2020-26071?

To mitigate CVE-2020-26071, users should apply the latest patches provided by Cisco for the SD-WAN software.

3

What kind of attack does CVE-2020-26071 allow?

CVE-2020-26071 allows authenticated, local attackers to create or overwrite arbitrary files on affected devices.

4

What is the impact of CVE-2020-26071?

The impact of CVE-2020-26071 includes the potential for causing a denial of service on the affected Cisco SD-WAN device.

5

Which software versions are affected by CVE-2020-26071?

CVE-2020-26071 affects Cisco SD-WAN Software without specifying exact versions, so all users should check for updates.

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