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CVE-2022-20850

Cisco SD-WAN Arbitrary File Deletion Vulnerability

HIGH
7.1
CVSS Score
Published: September 30, 2022 at 06:46 PM UTC
Updated: June 17, 2026 at 04:25 AM UTC
15 products affected across 1 vendorCisco SD-WAN vManageSd WANIOS Xe Sd WAN

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Severity
HIGH7.1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

IOS Xe Sd WAN· Cisco
95%
v < 16.10.1
Affected range stops below 16.10.1, so it looks safe — our inference, not a vendor statement
Sd WAN· Cisco
95%
v < 18.4.5
Affected range stops below 18.4.5, so it looks safe — our inference, not a vendor statement
cisco-1100-4g-integrated-services-router (environment) · cisco-1100-6g-integrated-services-router (environment) · cisco-1100-integrated-services-router (environment) · cisco-vedge-100 (environment) · cisco-vedge-1000 (environment) · cisco-vedge-100b (environment) · cisco-vedge-100m (environment) · cisco-vedge-2000 (environment) · cisco-vedge-5000 (environment)
Sd WAN Vbond Orchestrator· Cisco
95%
v < 18.4.5
Affected range stops below 18.4.5, so it looks safe — our inference, not a vendor statement
Cisco SD-WAN vManage· Cisco
95%
v < 18.4.5
Affected range stops below 18.4.5, so it looks safe — our inference, not a vendor statement
Sd WAN Vsmart Controller· Cisco
95%
v < 18.4.5
Affected range stops below 18.4.5, so it looks safe — our inference, not a vendor statement
Cisco SD-WAN Solution· Cisco
60%
All versions
1100-4G Integrated Services Router· Ciscodevice
80%
All versions
1100-6G Integrated Services Router· Ciscodevice
80%
All versions
1100 Integrated Services Router· Ciscodevice
80%
All versions
Vedge 100· Ciscodevice
80%
All versions

Remediation

No guide yet

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

Patch and advisory references

References (1)

Vendor Advisoryx_refsource_CISCO
Source: [email protected]
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-arb-file-delete-VB2rVcQv

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

7.1HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusUNDERGOING ANALYSIS
CWE
CWE-22CWE-20

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