Vulnerability Intelligence Report
Versa Concerto Actuator Authentication Bypass Information Leak
CVE-2025-34026
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.
CISA KEV
Nuclei Template
SSVC: Active Exploitation
Automatable
CVSS Base Score
9.2
CRITICAL
EPSS Probability:83.38%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-288 ↗CWE-288 Authentication Bypass Using an Alternate Path or Channel
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Versa | Concerto | 12.1.2 <= 12.2.0 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
CISA KEV
ACTIVE IN CATALOG
Nuclei Template
SCANNER AVAILABLE
EPSS Score
83.381%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | VulnCheck · Bug Bounty Provider · USA |
| Reserved | 2025-04-15T19:15:22 |
| Published | 2025-05-21T22:04:58 |
| Last Updated | 2026-01-23T14:34:06 |
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