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CVE-2025-34027

Versa Concerto Authentication Bypass File Write Remote Code Execution PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Versa / Concertoaffected 12.1.2 through 12.2.0

CWE

CWE-367

References

ADP enrichment

CISA-ADP

No English description supplied.