Versa Concerto Improper Authentication
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA deadline 2026-02-12 · passed 6 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
Versa Concerto SD-WAN orchestration platform contains an improper authentication vulnerability 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.
Who is affected
Versa Concerto. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-288.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 6 months ago
Sources
- NVD entry for CVE-2025-34026 nvd.nist.gov/vuln/detail/CVE-2025-34026
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- security-portal.versa-networks.com security-portal.versa-networks.com/emailbulletins/6830f94328defa375486ff2e
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2025-34026