VULNERABILITY INTELLIGENCE
CVE-2025-34026
CVSS score9.2 CRITICAL
EPSS probability81.94%
CISA KEVKnown exploited vulnerability
Published2025-05-21
Last modified2026-06-17
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Known Exploited Vulnerability
Versa Concerto Improper Authentication Vulnerability
Vendor / product: Versa / Concerto
Description
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 classification
- CWE-288: Authentication Bypass Using an Alternate Path or Channel
Primary references
- disclosure@vulncheck.com — Exploit, Mitigation, Third Party Advisory
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 — Exploit, Mitigation, Third Party Advisory
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 — Vendor Advisory
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource