CVE-2025-34026
HIGH Actively ExploitedVersa Concerto Actuator Authentication Bypass Information Leak
CVSS v3
7.5
HIGH
EPSS Score
71.1%
exploit probability
CISA KEV
No
known exploited
Exploitation
active
SSVC status
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.
Technical Details
- CVSS v3 Vector
- 3.1
- Published
- 5/21/2025
- Last Modified
- 1/23/2026
Frequently Asked Questions
What is 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.
Is CVE-2025-34026 actively exploited?
Yes. CVE-2025-34026 has been observed in active exploitation according to SSVC analysis.
What is the CVSS score for CVE-2025-34026?
CVE-2025-34026 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string 3.1.
Is CVE-2025-34026 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.