CVE-2025-20187
Cisco SD-WAN Manager Software Arbitrary File Creation Vulnerability
A vulnerability in the application data endpoints of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an authenticated, remote attacker to write arbitrary files to an affected system.
This vulnerability is due to improper validation of requests to APIs. An attacker could exploit this vulnerability by sending malicious requests to an API within the affected system. A successful exploit could allow the attacker to conduct directory traversal attacks and write files to an arbitrary location on the affected system.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Cisco SD-WAN Manager Software Arbitrary File Creation Vulnerability
A vulnerability in the application data endpoints of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an authenticated, remote attacker to write arbitrary files to an affected system.
This vulnerability is due to improper validation of requests to APIs. An attacker could exploit this vulnerability by sending malicious requests to an API within the affected system. A successful exploit could allow the attacker to conduct directory traversal attacks and write files to an arbitrary location on the affected system.
- Record
CVE-2025-20187- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
EUVDEUVD-2025-13917
A vulnerability in the application data endpoints of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an authenticated, remote attacker to write arbitrary files to an affected system.
This vulnerability is due to improper validation of requests to APIs. An attacker could exploit this vulnerability by sending malicious requests to an API within the affected system. A successful exploit could allow the attacker to conduct directory traversal attacks and write files to an arbitrary location on the affected system.
- Record
EUVD-2025-13917- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-f6m6-q8c2-48mm
A vulnerability in the application data endpoints of Cisco Catalyst SD-WAN Manager, formerly...
A vulnerability in the application data endpoints of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an authenticated, remote attacker to write arbitrary files to an affected system.
This vulnerability is due to improper validation of requests to APIs. An attacker could exploit this vulnerability by sending malicious requests to an API within the affected system. A successful exploit could allow the attacker to conduct directory traversal attacks and write files to an arbitrary location on the affected system.
- Record
GHSA-f6m6-q8c2-48mm- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
NVD
A vulnerability in the application data endpoints of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an authenticated, remote attacker to write arbitrary files to an affected system.
This vulnerability is due to improper validation of requests to APIs. An attacker could exploit this vulnerability by sending malicious requests to an API within the affected system. A successful exploit could allow the attacker to conduct directory traversal attacks and write files to an arbitrary location on the affected system.
- Record
CVE-2025-20187- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-20187 is a medium vulnerability (CVSS 6.5) in Cisco Catalyst Sd-wan Manager, published May 7, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.29%, the 70th percentile. No source names a fixed version.