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Veeam released security updates for multiple products, including Backup & Replication, Service Provider Console, Veeam ONE, Agent for Linux, and several backup plug-ins, to fix a set of critical and high-severity vulnerabilities. The most severe issue, CVE-2024-40711, is a critical unauthenticated remote code execution flaw in Veeam Backup & Replication with a CVSS 9.8 rating, allowing attackers to potentially compromise backup servers without logging in.
The broader patch set also addresses weaknesses that could enable credential theft, backup manipulation, MFA bypass, privilege escalation, SSRF exploitation, and additional remote code execution in other Veeam components. Security advisories urged organizations to upgrade immediately to fixed versions, warning that backup infrastructure is a high-value target and that successful exploitation could materially increase ransomware risk by giving attackers access to recovery systems.
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Veeam issued security bulletin KB4649 covering multiple vulnerabilities across its products, including the critical CVE-2024-40711 unauthenticated remote code execution flaw in Veeam Backup & Replication. The bulletin provided patched versions and remediation guidance for affected products.
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**Veeam** released security updates for **Backup & Replication** to address multiple high-severity flaws, including several **remote code execution** issues affecting version `12.3.2.4165` and all earlier version 12 builds. The disclosed vulnerabilities include `CVE-2026-21666`, `CVE-2026-21667`, `CVE-2026-21668`, `CVE-2026-21672`, and `CVE-2026-21708`, with several carrying **CVSS 9.9** ratings. According to the advisories, successful exploitation could allow authenticated domain users to execute code on the backup server, manipulate arbitrary files on a backup repository, or achieve local privilege escalation on Windows-based servers. Veeam said the issues were fixed in **Backup & Replication** version `12.3.2.4465`, while `CVE-2026-21672` and `CVE-2026-21708` were also remediated in version `13.0.1.2067`, alongside additional critical flaws `CVE-2026-21669` and `CVE-2026-21671`. The company warned that public patch disclosure increases the likelihood of **patch reverse engineering** and follow-on attacks against unpatched systems, making rapid remediation a priority for organizations running exposed or domain-connected Veeam infrastructure.
Jul 23, 2026
Veeam released security updates for multiple products after disclosing several vulnerabilities that affect enterprise backup and monitoring environments, including **Veeam Backup & Replication**, **Veeam ONE**, and **Veeam Service Provider Console**. The most severe issue, **`CVE-2026-32998`**, is a critical remote code execution flaw in Veeam Service Provider Console with a **CVSS score of 9.4**; Veeam said it is fixed in **version `9.2.1.33875`**. Canadian Centre for Cyber Security advisory **AV26-513** said affected versions include Veeam Backup & Replication 13 releases before **`13.0.2.29`**, Veeam ONE releases before **`13.0.2.6723`**, and Veeam Service Provider Console 9.2 releases before **`9.2.1.33875`**, and urged administrators to apply the vendor updates. Veeam also patched **`CVE-2026-32996`**, a high-severity local privilege escalation flaw in **Veeam Agent for Microsoft Windows** that could let a low-privileged local user gain administrative control, and **`CVE-2026-32997`**, an arbitrary file write issue affecting Linux-based backup servers running the **Veeam Software Appliance** that could allow an authenticated backup administrator to modify system files. For organizations unable to patch immediately, Veeam provided a workaround for the Service Provider Console bug by disabling the `AlarmManagement_ScriptExecution` setting in the local configuration JSON file, while older reporting on **Veeam ONE** underscores the continued security focus on Veeam’s management stack.
Jun 29, 2026
Veeam released a security advisory disclosing multiple vulnerabilities in its Veeam Backup & Replication and Veeam Agent for Microsoft Windows products. Two of the vulnerabilities, CVE-2025-48983 and CVE-2025-48984, were rated as critical with a CVSS score of 9.9, indicating a severe risk to affected systems. Both critical vulnerabilities reside in the Veeam Backup & Replication product and allow an authenticated domain user to execute arbitrary code on backup infrastructure hosts and the backup server, respectively. These flaws specifically impact Veeam Backup & Replication version 12.3.2.3617 and all earlier version 12 builds, but only on domain-joined backup servers. A third vulnerability, CVE-2025-48982, affects Veeam Agent for Microsoft Windows and allows for local privilege escalation if a system administrator is tricked into restoring a malicious file. This vulnerability impacts version 6.3.2.1205 and all earlier version 6 builds of the agent. The vendor has indicated that unsupported product versions have not been tested but are likely vulnerable and should be considered at risk. The vulnerabilities were disclosed on October 14, 2025, and security advisories were published the following day to alert users and administrators. CERT-EU and other security organizations have strongly recommended that organizations update affected software immediately to mitigate the risk of exploitation. In addition to patching, following Veeam's implementation best practices is advised to further reduce exposure. The vulnerabilities require an authenticated domain user for exploitation, which means that attackers would need valid credentials or access to a compromised account within the target environment. The potential impact of successful exploitation includes full remote code execution on critical backup infrastructure, which could lead to data theft, ransomware deployment, or destruction of backup data. The disclosure has raised concerns in the security community due to the critical nature of backup systems in organizational resilience and recovery. Security advisories have emphasized the urgency of remediation, given the high CVSS scores and the potential for significant operational disruption. Organizations are also advised to review their backup server configurations and restrict access to trusted users only. The vendor has provided detailed guidance and best practices for hardening Veeam deployments, including recommendations for both workgroup and domain-joined environments. The vulnerabilities highlight the ongoing risks associated with backup infrastructure and the importance of timely patch management. Security teams are urged to monitor for signs of exploitation and to ensure that all backup-related systems are included in vulnerability management programs. The incident underscores the need for layered security controls and regular review of privileged access within enterprise environments.
Jun 29, 2026