CVE-2025-34026 : faille exploitée versa-networks concerto (CVSS 7.5)

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.

Sévérité

Élevée (CVSS 7.5)

Vecteur CVSS

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploitation active

Oui, inscrite au catalogue CISA KEV

Publication

21 mai 2025

Dernière mise à jour

17 juin 2026

• versa-networks concerto

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

• Fiche CVE-2025-34026 sur le NVD (NIST)
• projectdiscovery.io/blog/versa-concerto-authentication-bypass-rce
• security-portal.versa-networks.com/emailbulletins/6830f94328defa375486ff2e
• cisa.gov/known-exploited-vulnerabilities-catalog