CVE-2025-34026 Scanner

Versa Concerto is a widely used network orchestration and automation platform deployed by enterprises to manage and secure their networks. The software is intended for use in various industries, from telecommunications to financial services, where it facilitates real-time data processing and communications management. Developed by Versa Networks, it integrates various technologies to provide seamless networking, security, and policy-based management. Users rely on Versa Concerto to optimize their network performance, reduce operational complexity, and ensure a high level of security across distributed environments. The platform's capability to handle large volumes of data makes it an invaluable asset for globally distributed networks. Ensuring the integrity and security of Versa Concerto is essential to its core function of delivering reliable network services.

The Authentication Bypass vulnerability is a critical issue affecting the security of services that depend on trusted IP validation. This vulnerability arises due to improper handling of the X-Real-Ip header, which can be manipulated by attackers. By exploiting this flaw, unauthorized users can access restricted endpoints in Versa Concerto without providing valid credentials. This security lapse allows attackers to leverage additional functionalities that should ideally be protected by authentication mechanisms. The vulnerability highlights the need for robust input validation, especially in headers that influence access controls. Overall, mitigating such vulnerabilities is essential to safeguarding sensitive operations and data.

Technical details reveal that the Versa Concerto's Spring Boot Actuator endpoints fail to properly validate the presence of the X-Real-Ip header. Attackers can exploit this by either omitting the header or using spoofed values to gain unauthorized access. This flaw effectively bypasses the intended security barrier, granting attackers potential access to sensitive actuator functionality. The vulnerability is triggered when the application improperly trusts the incoming requests' origin based on the manipulated header. Implementing more rigorous header validation and employing an alternative access control mechanism can prevent the exploitation of this vulnerability. Proper logging and monitoring of endpoints can also help in recognizing and mitigating such unauthorized attempts.

Exploiting this vulnerability can have several serious consequences. Unauthorized access can allow attackers to obtain sensitive information or disrupt service operations. This can lead to data breaches, loss of confidentiality, and potentially severe financial implications for organizations. Furthermore, attackers could execute arbitrary actions that might compromise the integrity of the system or the data it processes. The presence of such a vulnerability in a critical network management platform amplifies the potential for widespread damage, affecting multiple services and users. Immediate remediation is crucial to prevent these adverse outcomes and protect the organization’s operational security.

REFERENCES

• 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