CVE-2025-34026 KEV
7.5
HIGH · CVSS 3.1 · EPSS 81.9% (pctl 100)
Patch first
On CISA KEV — known exploited in the wild, due 2026-02-12.
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.
Scoring
| CVSS | 7.5 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| EPSS | 81.94% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-288 |
| On CISA KEV | yes — remediate by 2026-02-12 |
| Public exploit | none known |
| Published | 2025-05-21 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | Versa Concerto Improper Authentication Vulnerability |
|---|---|
| Added | 2026-01-22 |
| Due | 2026-02-12 |
| Vendor / product | Versa / Concerto |
| Ransomware use | none reported |
Affected (1)
| Vendor | Product |
|---|---|
| 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
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