CVE-2025-34026

HIGHCISA KEV

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published5/21/2025

Last Modified1/23/2026

Sourcekev

Honeypot Sightings0

CISA KEV

VendorVersa

ProductConcerto

Vulnerability NameVersa Concerto Improper Authentication Vulnerability

KEV Date Added2026-01-22

Remediation Due Date2026-02-12

Ransomware UseUnknown

Affected Products

versa-networks:concerto

Weaknesses (CWE)

CWE-288

References

https://projectdiscovery.io/blog/versa-concerto-authentication-bypass-rce(disclosure@vulncheck.com)

https://projectdiscovery.io/blog/versa-concerto-authentication-bypass-rce(134c704f-9b21-4f2e-91b3-4a467353bcc0)

https://security-portal.versa-networks.com/emailbulletins/6830f94328defa375486ff2e(134c704f-9b21-4f2e-91b3-4a467353bcc0)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-34026(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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