CVE-2025-34026 is an authentication bypass vulnerability affecting the Versa Concerto SD-WAN orchestration platform, specifically versions 12.1.2 through 12.2.0. This high-severity flaw (CVSS 7.5) allows unauthenticated attackers to access administrative endpoints and sensitive data like heap dumps via a misconfigured Traefik reverse proxy. The vulnerability is actively exploited in the wild, as confirmed by its inclusion in CISA's KEV catalog. Critical-severity Nuclei templates are available, and it has generated significant community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 11.4.0, < 12.1.2CPE matchmatch criteria | cpe:2.3:a:versa-networks:concerto:*:*:*:*:*:*:*:* | ||
12.1.2CPE matchmatch criteria | cpe:2.3:a:versa-networks:concerto:12.1.2:-:*:*:*:*:*:* | ||
12.2.0CPE matchmatch criteria | cpe:2.3:a:versa-networks:concerto:12.2.0:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.