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.
CVE ID: CVE-2025-34026
CVSS Base Severity: CRITICAL
CVSS Base Score: 9.2
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:L/SA:N
Vendor: Versa
Product: Concerto
http/cves/2025/CVE-2025-34026.yaml
EPSS Score: 4.04% (probability of being exploited)
EPSS Percentile: 87.93% (scored less or equal to compared to others)
EPSS Date: 2025-06-06 (when was this score calculated)