CVE-2022-20850
highpriority · track · 28EPSS 0.002 · 11 %ileEURUUSEPSS · scored 2026-10-27
A vulnerability in the CLI of stand-alone Cisco IOS XE SD-WAN Software and Cisco SD-WAN Software could allow an authenticated, local attacker to delete arbitrary files from the file system of an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by injecting arbitrary file path information when using commands in the CLI of an affected device. A successful exploit could allow the attacker to delete arbitrary files from the file system of the affected device.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedCisco Catalyst SD-WANcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco Catalyst SD-WAN Managercisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.9.1 when installed on Cisco 1000 Series Integrated Services Routerscisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.9.1 when installed on Cisco 4000 Series Integrated Services Routerscisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.9.1 when installed on Cisco ASR 1000 Series Aggregation Services Routerscisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.9.1 when installed on Cisco Integrated Services Virtual Routercisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.9.2 when installed on Cisco 1000 Series Integrated Services Routerscisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.9.2 when installed on Cisco 4000 Series Integrated Services Routerscisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.9.2 when installed on Cisco ASR 1000 Series Aggregation Services Routerscisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.9.2 when installed on Cisco Integrated Services Virtual Routercisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.9.3 when installed on Cisco 1000 Series Integrated Services Routerscisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.9.3 when installed on Cisco 4000 Series Integrated Services Routerscisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.9.3 when installed on Cisco ASR 1000 Series Aggregation Services Routerscisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.9.3 when installed on Cisco Integrated Services Virtual Routercisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.9.4 when installed on Cisco 1000 Series Integrated Services Routerscisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.9.4 when installed on Cisco ASR 1000 Series Aggregation Services Routerscisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco IOS XE Catalyst SD-WAN 16.9.4 when installed on Cisco Integrated Services Virtual Routercisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.5–7.1
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (27)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- cisco-sa-arb-file-delete-VB2rVcQvCisco SD-WAN Arbitrary File Deletion Vulnerability2022-09-28csaf · cisco_csafUS
A vulnerability in the CLI of stand-alone Cisco IOS XE SD-WAN Software and Cisco SD-WAN Software could allow an authenticated, local attacker to delete arbitrary files from the file system of an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by injecting arbitrary file path information when using commands in the CLI of an affected device. A successful exploit could allow the attacker to delete arbitrary files from the file system of the affected device. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2022-20850/cnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-arb-file-delete-VB2rVcQvcnnvd
- https://vigilance.fr/vulnerability/Cisco-SD-WAN-Software-SD-WAN-vEdge-Routers-file-deletion-39410cnnvd
- https://www.auscert.org.au/bulletins/ESB-2022.4842cnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-arb-file-delete-VB2rVcQvenisa_euvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-arb-file-delete-VB2rVcQvVendor Advisorynvd
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