Veeam Backup & Replication Vulnerabilities Let Attackers Execute Remote Code

Multiple critical vulnerabilities have been identified in Veeam Backup & Replication, a widely-used data protection and disaster recovery solution.

These vulnerabilities, discovered during internal testing, pose serious risks, including remote code execution (RCE), privilege escalation, and data interception.

The issues affect Veeam Backup & Replication version 12.1.2.172 and all earlier builds, with unsupported versions likely also at risk.

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Overview of Discovered Vulnerabilities

Veeam Backup & Replication

1. CVE-2024-40711
   • Description: Allows unauthenticated remote code execution.
   • Severity: Critical
   • CVSS v3.1 Score: 9.8
   • Discovery: Reported via HackerOne.
2. CVE-2024-40713
   • Description: Enables low-privileged users to alter Multi-Factor Authentication (MFA) settings, bypassing MFA.
   • Severity: High
   • CVSS v3.1 Score: 8.8
3. CVE-2024-40710
   • Description: Series of vulnerabilities allowing RCE to be the service account and extract sensitive information.
   • Severity: High
   • CVSS v3.1 Score: 8.8
4. CVE-2024-39718
   • Description: Allows low-privileged users to remove files remotely with service account permissions.
   • Severity: High
   • CVSS v3.1 Score: 8.1
5. CVE-2024-40714
   • Description: A TLS certificate validation flaw permits credentials interception during restore operations.
   • Severity: High
   • CVSS v3.1 Score: 8.3
6. CVE-2024-40712
   • Description: Path traversal vulnerability enabling local privilege escalation.
   • Severity: High
   • CVSS v3.1 Score: 7.8

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Veeam Agent for Linux

• CVE-2024-40709
  • Description: Allows local low-privileged users to escalate privileges to the root level.
  • Severity: High
  • CVSS v3.1 Score: 7.8
  • Discovery: Reported via HackerOne.

Veeam ONE

1. CVE-2024-42024
   • Description: Enables RCE with Veeam ONE Agent service account credentials.
   • Severity: Critical
   • CVSS v3.1 Score: 9.1
   • Discovery: Reported via HackerOne.
2. CVE-2024-42019
   • Description: Allows access to NTLM hash of Veeam Reporter Service account.
   • Severity: Critical
   • CVSS v3.1 Score: 9.0
3. CVE-2024-42023
   • Description: Permits low-privileged users to execute code with Administrator privileges.
   • Severity: High
   • CVSS v3.1 Score: 8.8
4. CVE-2024-42021
   • Description: Allows access to saved credentials with valid access tokens.
   • Severity: High
   • CVSS v3.1 Score: 7.5
5. CVE-2024-42022
   • Description: Enables modification of product configuration files.
   • Severity: High
   • CVSS v3.1 Score: 7.5
6. CVE-2024-42020
   • Description: HTML injection vulnerability in Reporter Widgets.
   • Severity: High
   • CVSS v3.1 Score: 7.3

Veeam Service Provider Console

1. CVE-2024-38650
   • Description: Allows access to NTLM hash of service account.
   • Severity: Critical
   • CVSS v3.1 Score: 9.9
   • Discovery: Reported via HackerOne.
2. CVE-2024-39714
   • Description: Permits arbitrary file uploads leading to RCE.
   • Severity: Critical
   • CVSS v3.1 Score: 9.9
3. CVE-2024-39715
   • Description: Enables RCE via REST API file uploads.
   • Severity: High
   • CVSS v3.1 Score: 8.5
4. CVE-2024-38651
   • Description: Allows file overwriting leading to RCE.
   • Severity: High
   • CVSS v3.1 Score: 8.5

Veeam Backup for Nutanix AHV and Oracle Linux Virtualization Manager

• CVE-2024-40718
  • Description: Enables local privilege escalation via SSRF vulnerability.
  • Severity: High
  • CVSS v3.1 Score: 8.8

Mitigation and Recommendations

Veeam has addressed these vulnerabilities in the latest software updates. Users are strongly advised to upgrade to Veeam Backup & Replication 12.2 (build 12.2.0.334), Veeam Agent for Linux 6.2 (build 6.2.0.101), Veeam ONE v12.2 (build 12.2.0.4093), and Veeam Service Provider Console v8.1 (build 8.1.0.21377) to mitigate these risks.

Regularly updating software and applying security patches is crucial to safeguard against potential exploits.

For organizations relying on Veeam products, it is imperative to review security settings, enhance monitoring of suspicious activities, and ensure that all systems are updated to the latest versions to protect against these vulnerabilities.

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