CVE-2021-41315 in Remote Collector
Summary
by MITRE • 09/17/2021
The Device42 Remote Collector before 17.05.01 does not sanitize user input in its SNMP Connectivity utility. This allows an authenticated attacker (with access to the console application) to execute arbitrary OS commands and escalate privileges.
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Analysis
by VulDB Data Team • 09/22/2021
The Device42 Remote Collector vulnerability CVE-2021-41315 represents a critical command injection flaw that exploits insufficient input sanitization within the SNMP Connectivity utility. This vulnerability exists in versions prior to 17.05.01 and creates a pathway for authenticated attackers who already possess console application access to execute arbitrary operating system commands. The flaw stems from the application's failure to properly validate and sanitize user-supplied input before processing it within system commands, creating a direct vector for privilege escalation and remote code execution. The vulnerability specifically impacts the SNMP connectivity functionality where user input is directly incorporated into system calls without adequate sanitization measures.
This command injection vulnerability falls under the CWE-77 category, which classifies improper neutralization of special elements used in OS commands, and aligns with ATT&CK technique T1059.001 for command and scripting interpreter. The attack surface is limited to authenticated users with console access, but this privilege escalation path can be particularly dangerous when combined with other vulnerabilities or when attackers gain initial access through different vectors. The exploitation process typically involves crafting malicious input that gets executed as part of the SNMP connectivity utility's command processing, potentially allowing attackers to execute system commands with the privileges of the application process.
The operational impact of this vulnerability extends beyond simple command execution, as it enables full system compromise and privilege escalation within the Device42 environment. Attackers could leverage this vulnerability to install backdoors, exfiltrate sensitive data, modify system configurations, or establish persistent access to the compromised system. The vulnerability affects organizations that rely on Device42 for network asset management and monitoring, potentially exposing critical network infrastructure information to unauthorized parties. Organizations using older versions of the Remote Collector are particularly at risk as the vulnerability allows for complete system compromise from within the network.
Mitigation strategies for CVE-2021-41315 focus on immediate version upgrades to 17.05.01 or later, which include proper input sanitization and validation fixes. Network segmentation should be implemented to limit access to the console application, ensuring that only authorized personnel can reach the vulnerable components. Input validation and sanitization measures should be enhanced across all user-facing interfaces, particularly those handling system command execution. Organizations should implement principle of least privilege configurations and monitor for suspicious command execution patterns. Additionally, regular security assessments and vulnerability scanning should be conducted to identify similar issues in other network management tools and systems. The vulnerability highlights the importance of secure coding practices and input validation in network management applications, particularly those handling system-level operations and SNMP connectivity features.