CVE-2026-20122

KEV
Published: Feb 25, 2026 Last Modified: Apr 21, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 5,4
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: low
Integrity: low
Availability: none

Description

AI Translation Available

A vulnerability in the API of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to overwrite arbitrary files on the local file system. To exploit this vulnerability, the attacker must have valid read-only credentials with API access on the affected system.

This vulnerability is due to improper file handling on the API interface of an affected system. An attacker could exploit this vulnerability by uploading a malicious file on the local file system. A successful exploit could allow the attacker to overwrite arbitrary files on the affected system and gain vmanage user privileges.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0002
Percentile
0,0th
Updated

EPSS Score Trend (Last 52 Days)

648

Incorrect Use of Privileged APIs

Incomplete
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Access Control Confidentiality Integrity Availability
Potential Impacts:
Gain Privileges Or Assume Identity Read Application Data Execute Unauthorized Code Or Commands
Applicable Platforms
All platforms may be affected
Likelihood of Exploit: Low
View CWE Details
Application

Catalyst Sd-Wan Manager by Cisco

Product Information
Vendor Cisco
Product Catalyst Sd-Wan Manager
Version Range Affected
To 20.9.8.2 (exclusive)
cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Catalyst Sd-Wan Manager by Cisco

Product Information
Vendor Cisco
Product Catalyst Sd-Wan Manager
Version Range Affected
From 20.10 (inclusive)
To 20.12.5.3 (exclusive)
cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Catalyst Sd-Wan Manager by Cisco

Product Information
Vendor Cisco
Product Catalyst Sd-Wan Manager
Version Range Affected
From 20.16 (inclusive)
To 20.18.2.1 (exclusive)
cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Catalyst Sd-Wan Manager by Cisco

Product Information
Vendor Cisco
Product Catalyst Sd-Wan Manager
Version Range Affected
From 20.13 (inclusive)
To 20.15.4.2 (exclusive)
cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Catalyst Sd-Wan Manager by Cisco

Product Information
Vendor Cisco
Product Catalyst Sd-Wan Manager
Version 20.12.6
cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.12.6:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalo…
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026…
https://sec.cloudapps.cisco.com/security/center/content/Cis…
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/c…