Detections
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CVE-2025-34026

critical

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.

References

https://projectdiscovery.io/blog/versa-concerto-authentication-bypass-rce

https://www.infosecurity-magazine.com/news/critical-zerodays-versa-networks/

https://www.bleepingcomputer.com/news/security/unpatched-critical-bugs-in-versa-concerto-lead-to-auth-bypass-rce/

https://thehackernews.com/2025/05/unpatched-versa-concerto-flaws-let.html

Details

Source: Mitre, NVD

Published: 2025-05-21

Updated: 2025-05-23

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

CVSS v4

Base Score: 9.2

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

Severity: Critical

EPSS

EPSS: 0.00054

Vulnerability Watch

Tenable Research has classified this CVE under the following Vulnerability Watch classification, which includes active and historical (inactive) classifications. You can learn more about these classifications on our blog.

Vulnerability Being Monitored