CVSS 4.0
9.2 criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:L/SA:NCVE-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.
Severity
CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N- EPSS
- 82% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
- CISA KEV
- listed 2026-01-22, due 2026-02-12
- CWE
- CWE-288
- Published
- Modified
- Record from
- the NVD, synced
Affected
- versa-networks:concerto
References
- https://projectdiscovery.io/blog/versa-concerto-authentication-bypass-rce
- https://projectdiscovery.io/blog/versa-concerto-authentication-bypass-rce
- https://security-portal.versa-networks.com/emailbulletins/6830f94328defa375486ff2e
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-34026