high7.5Known exploited
CVE-2025-34026
Versa Concerto Improper Authentication Vulnerability
Exploited in the wild
This vulnerability is on the CISA Known Exploited Vulnerabilities list, added 2026-01-22. Federal due date: 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.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Versa-Networks | Concerto | from 11.4.0 before 12.1.2 Versions 12.1.2, 12.2.0 |