🛡️ CVE-2025-34027
⚪ Unknown ✅ No Known Exploit CWE-367 NVD
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

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 Spack upload endpoint can be leveraged for a Time-of-Check to Time-of-Use (TOCTOU) write in combination with a race condition to achieve remote code execution via path loading manipulation, allowing an unauthenticated actor to achieve remote code execution (RCE).This issue is known to affect Concerto from 12.1.2 through 12.2.0. Additional versions may be vulnerable.

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE CWE-367
Public Exploit ✅ No
Source NVD
Published 2025-05-21
Updated 2026-06-02
Modified 2026-04-15
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown — —

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