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CVE-2025-34026

Versa Concerto Actuator Authentication Bypass Information Leak

Published: May 21, 2025Updated: Jan 23, 2026 Sources: CVE List NVD BDUCWE-288
7.5HIGH
NVD MITRE
EPSS Score
83.1%
Top 0.4%
CISA KEV
Active Exploitation
Since Jan 22, 2026
Exploits
1 Known
Remediation
Patch Available
Self-Check
Nuclei · OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-288

Affected Products

versa-networks
commercial·USaka versa systems
concertoOn-prem
Networking Infrastructure / network-management
Versa
commercialaka versa director, versa concerto
ConcertoOn-prem
Enterprise Software / itsm-monitoring
Versa Networks
commercialaka sase client for windows, versa director, concerto
ConcertoMixed
Networking Infrastructure / firewall

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Jan 22, 2026
Remediation due:Feb 12, 2026

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

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Workaround Available
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References

https://projectdiscovery.io/blog/versa-concerto-authentication-bypass-rce
projectdiscovery.io
https://security-portal.versa-networks.com/emailbulletins/6830f94328defa375486ff2e
security-portal.versa-networks.com
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-34026
cisa.gov
and 4 more references View all →

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