CVE-2026-58073 in Service Provider Console
Summary
by MITRE • 08/04/2026
A vulnerability in Veeam Service Provider Console allowing an unauthenticated attacker to impersonate a managed agent andobtain that agent's credentials.
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Analysis
by VulDB Data Team • 08/04/2026
This vulnerability represents a critical authentication bypass flaw in Veeam Service Provider Console that enables unauthenticated attackers to assume the identity of managed agents and extract their credentials. The issue stems from insufficient validation mechanisms within the console's agent communication protocols, allowing malicious actors to forge agent identities without proper authentication. The vulnerability exists at the core of Veeam's agent management architecture where the system fails to adequately verify the authenticity of connecting agents before granting credential access. This weakness creates a pathway for attackers to escalate their privileges and gain unauthorized access to sensitive backup and recovery systems that are typically protected by agent-level security measures.
The technical exploitation of this vulnerability occurs through manipulation of the authentication handshake process between the Veeam console and managed agents. Attackers can craft specially formatted requests that appear to originate from legitimate agents, thereby circumventing the standard authentication flow. This type of attack falls under the category of identity spoofing and credential theft as defined by CWE-287, which addresses improper authentication mechanisms in software systems. The flaw operates at the application layer where the console's agent validation logic is insufficiently robust to distinguish between genuine and forged agent communications, creating a persistent security gap that can be exploited repeatedly.
The operational impact of this vulnerability extends beyond simple credential theft to encompass complete compromise of backup infrastructure management. Once an attacker successfully impersonates a managed agent, they gain access to all credentials associated with that agent's role within the Veeam environment, potentially enabling them to access backup repositories, modify backup configurations, and perform unauthorized data operations. This vulnerability directly impacts the principle of least privilege enforcement within backup management systems and can lead to significant data exposure or operational disruption. The attack vector aligns with ATT&CK technique T1550.003 for use of valid accounts and T1078.004 for valid accounts in the context of backup system compromise, making it particularly dangerous in enterprise environments where backup systems contain sensitive organizational data.
Organizations should implement immediate mitigations including network segmentation to isolate Veeam console components from untrusted networks, enhanced monitoring of agent communication patterns for anomalous behavior, and implementation of additional authentication layers such as certificate-based authentication. The vulnerability highlights the importance of multi-factor authentication controls and regular security assessments of management interfaces in backup solutions. System administrators should also consider implementing strict access controls on Veeam console configurations and regularly audit agent identities to detect unauthorized impersonation attempts. This flaw demonstrates the critical need for robust identity verification mechanisms in distributed backup management systems where agent trust relationships form the foundation of security architecture.