CVE-2024-40711 is a critical vulnerability affecting Veeam Backup & Replication, identified by a CVSS score of 9.8. This vulnerability allows an unauthenticated remote code execution (RCE) through the deserialization of untrusted data with a malicious payload. Given the severity of this issue, organizations must prioritize remediation efforts.
The impact of this vulnerability is significant, as it enables attackers to execute arbitrary code on affected systems, potentially leading to unauthorized access and data breaches. Organizations using Veeam Backup & Replication should be aware of the urgency associated with this vulnerability due to its critical nature and the potential real-world risks.
Exploitation of CVE-2024-40711 is known, and the vulnerability has been analyzed thoroughly. It has been included in the Known Exploited Vulnerabilities (KEV) catalog, indicating active exploitation in the wild. Organizations are strongly advised to patch their systems immediately.
Organizations should prioritize patching immediately. The vendor has released specific instructions for remediation, which must be followed to mitigate the risks associated with this vulnerability.
Vulnerability Details
CVE-2024-40711 describes a deserialization of untrusted data vulnerability in Veeam Backup & Replication. The vulnerability is classified under CWE-502, which pertains to the deserialization of untrusted data. The publication date of this vulnerability is September 7, 2024, and the affected product is Veeam Backup & Replication.
The CVSS score of 9.8 indicates this vulnerability is critical, highlighting the urgent need for organizations to address it. The high score is attributed to the potential for significant confidentiality, integrity, and availability impacts, as indicated by the CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Technical Analysis
The root cause of CVE-2024-40711 is the vulnerability in how Veeam Backup & Replication handles deserialization of untrusted data. Attackers may leverage this flaw through a network attack vector, with a low attack complexity, meaning no special conditions must be met for exploitation.
No privileges are required to exploit this vulnerability, and user interaction is not needed. The severity of the potential impact is high, affecting confidentiality, integrity, and availability, all classified as high impacts in the CVSS metrics.
Risk & Impact Analysis
Risk to organizations includes the potential for unauthorized access and control over affected systems. The critical nature of this vulnerability increases the blast radius, as it can affect multiple deployments of Veeam Backup & Replication across various environments. Organizations must assess their exposure to this vulnerability and prioritize remediation efforts accordingly.
The urgency assessment based on the critical CVSS score and inclusion in the KEV catalog indicates that organizations should address this vulnerability in their priority patch cycle. There is a high likelihood of exploitation, which underscores the need for swift action.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | Yes |
Ransomware Use | Yes |
Affected Versions
The vulnerability affects Veeam Backup & Replication versions starting from 12.0.0.1420 up to, but not including, 12.2.0.334. Organizations should ensure they are running patched versions to mitigate this risk.
Mitigation & Remediation
Organizations must apply the vendor's patches immediately to address this vulnerability. For those unable to apply immediate patches, temporary workarounds may be considered. It is crucial to follow the guidelines provided in the vendor's advisory for effective mitigation.
For detailed guidance on remediation, organizations can refer to the Veeam Security Bulletin available at Veeam's official site.
Detection Guidance
Organizations should monitor their logs for any indications of exploitation attempts related to this vulnerability. Key indicators include unusual network traffic patterns and unexpected system behavior. Behavioral anomalies should be flagged for further investigation.
AppSecure Threat Intelligence Insight
This vulnerability represents a significant threat to organizations using Veeam Backup & Replication. Security teams should enhance their monitoring capabilities and consider implementing continuous security testing to identify potential weaknesses. Organizations can learn from this incident to strengthen their overall security posture.
For additional insights on vulnerability management, organizations can refer to the Vulnerability Management Program Design guide.
Organizations may also find value in exploring services such as Red Teaming as a Service to proactively identify security weaknesses.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
.webp)