The Register: Commvault releases patches for two nasty bug chains after exploits proven

Aug 20, 2025

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Source URL: https://www.theregister.com/2025/08/20/commvault_bug_chains_patched/
Source: The Register
Title: Commvault releases patches for two nasty bug chains after exploits proven

Feedly Summary: Researchers disclosing their findings said ‘it’s as bad as it sounds’
Researchers at watchTowr just published working proof-of-concept exploits for two unauthenticated remote code execution bug chains in backup giant Commvault.…

AI Summary and Description: Yes

Summary: The researchers at watchTowr have developed proof-of-concept exploits for unauthenticated remote code execution vulnerabilities affecting Commvault. This highlights significant security risks in data backup services, drawing attention to the urgent need for improved security measures in infrastructure.

Detailed Description: The recent findings from researchers at watchTowr emphasize the critical vulnerabilities present in Commvault’s systems, which could lead to unauthorized access and execution of malicious code. This situation underlines the importance for security and compliance professionals to address the following points:

– **Unauthenticated Remote Code Execution**: The discovered exploits are particularly concerning because they do not require any form of authentication, meaning that attackers could potentially execute code on vulnerable systems without needing valid user credentials.

– **Impact on Backup Solutions**: As backup solutions such as Commvault are trusted with sensitive data, vulnerabilities could lead to data breaches, loss of integrity, or complete system takeovers, emphasizing the pressing need for robust security frameworks in backup systems.

– **Call for Prompt Remediation**: The publication of these exploits serves as a clarion call for organizations using Commvault to assess their security posture, perform vulnerability scans, and apply necessary patches or updates to mitigate this risk.

– **Broader Implications**: This situation highlights a larger trend of security weaknesses in widely-used data management solutions and underscores the importance of continuous security assessment, vigilant monitoring, and adopting a Zero Trust approach across infrastructures.

In summary, the findings presented by watchTowr could have widespread implications for organizations relying on Commvault for data backup, prompting a necessary review of current security practices and considerations for potential regulatory compliance related to data security and privacy.

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