The Versa Concerto SD-WAN orchestration platform is vulnerable to an authentication bypass 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.This issue is known to affect Concerto from 12.1.2 through 12.2.0. Additional versions may be vulnerable.
Weakness
The product requires authentication, but the product has an alternate path or channel that does not require authentication.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Concerto | Versa-networks | 11.4.0 (including) | 12.1.2 (excluding) |
| Concerto | Versa-networks | 12.1.2 (including) | 12.1.2 (including) |
| Concerto | Versa-networks | 12.2.0 (including) | 12.2.0 (including) |
Potential Mitigations
Related Attack Patterns
References
- https://projectdiscovery.io/blog/versa-concerto-authentication-bypass-rce
- https://projectdiscovery.io/blog/versa-concerto-authentication-bypass-rce
- https://security-portal.versa-networks.com/emailbulletins/6830f94328defa375486ff2e
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-34026