Overview
Versa Concerto SD-WAN orchestration platform contains an improper authentication vulnerability in the Traefik reverse proxy configuration, allowing at attacker to access administrative endpoints. The internal Actuator endpoint can be leveraged for access to heap dumps and trace logs.
https://security-portal.versa-networks.com/emailbulletins/6830f94328defa375486ff2e ; https://nvd.nist.gov/vuln/detail/CVE-2025-34026
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2025-34026 |
| Vendor / Product | Versa — Concerto |
| NVD Published | 2025-05-21 |
| NVD Last Modified | 2026-01-23 |
| CVSS 3.1 Score | 7.5 |
| CVSS 3.1 Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| Severity | HIGH |
| CWE | CWE-288 |
| CISA KEV Added | 2026-01-22 |
| CISA KEV Deadline | 2026-02-12 |
| Known Ransomware Use | No |
CVSS 3.1 Breakdown
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Required Action
CISA BOD 22-01 Deadline: 2026-02-12.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Timeline
| Date | Event |
|---|---|
| 2026-01-22 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2026-02-12 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2025-34026 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |