CVE-2018-6961
HighExploitedPublic exploitVMware NSX SD-WAN Edge by VeloCloud prior to version 3.1.0 contains a command injection vulnerability in the local web UI component.
Published Jun 11, 2018 · Updated Oct 30, 2025
Key Facts
Patch immediately- CVE-2018-6961 is a high-severity vulnerability (CVSS 8.1 v3.1) affecting NSX SD-WAN by VeloCloud (Vmware).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jun 6, 2019. Public exploit code is available.
- EPSS estimates a 86% probability of exploitation in the next 30 days.
- Fixed versions are available, including NSX SD-WAN by VeloCloud 3.1.0.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
8.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
86%
Higher than 99.7% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2018-6961 brief as a PDF
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Description
VMware NSX SD-WAN Edge by VeloCloud prior to version 3.1.0 contains a command injection vulnerability in the local web UI component. This component is disabled by default and should not be enabled on untrusted networks. VeloCloud by VMware will be removing this service from the product in future releases. Successful exploitation of this issue could result in remote code execution.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Mar 25, 2022 | Apr 15, 2022 | Not reported |
| Industry KEV feed | Jun 6, 2019 | Apr 15, 2022 | Not reported |
| CIRCL KEV | Mar 25, 2022 | Apr 15, 2022 | Not reported |
| ENISA EUVD | Mar 25, 2022 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| NSX SD-WAN by VeloCloudVmware | >= prior to version 3.1.0 | 3.1.0 |
Patched Releases
NSX SD-WAN by VeloCloud
3.1.0
Timeline
Publicly disclosed
Jun 11, 2018
Added to Industry KEV feed
Jun 6, 2019
Added to CISA KEV
Mar 25, 2022
Added to CIRCL KEV
Mar 25, 2022
Added to ENISA EUVD
Mar 25, 2022
Last updated
Oct 30, 2025
Weakness Type
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
- advisory104185
- advisory1041210
- advisoryhttp://www.vmware.com/security/advisories/VMSA-2018-0011.html
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
VMware NSX SD-WAN Edge by VeloCloud prior to version 3.1.0 contains a command injection vulnerability in the local web UI component.
Affected: NSX SD-WAN by VeloCloud (Vmware) versions >= prior to version 3.1.0. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jun 6, 2019.
Yes. It was added on Mar 25, 2022 with a federal remediation due date of Apr 15, 2022.
Public exploit code is available.
Fixed versions are available, including NSX SD-WAN by VeloCloud 3.1.0.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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