CVE-2021-39244 : Exploit Details and Defense Strategies
Discover the details of CVE-2021-39244, an Authenticated Semi-Blind Command Injection vulnerability impacting Altus Nexto, Nexto Xpress, and Hadron Xtorm devices. Learn about the affected systems, exploitation, and mitigation steps.
This CVE-2021-39244 article provides details about an Authenticated Semi-Blind Command Injection vulnerability affecting Altus Nexto, Nexto Xpress, and Hadron Xtorm devices.
Understanding CVE-2021-39244
This section delves into the specifics of the CVE-2021-39244 vulnerability.
What is CVE-2021-39244?
CVE-2021-39244 is an Authenticated Semi-Blind Command Injection vulnerability discovered in Altus Nexto, Nexto Xpress, and Hadron Xtorm devices through the getlogs.cgi tcpdump feature.
The Impact of CVE-2021-39244
The presence of this vulnerability affects various versions of the affected devices, exposing them to potential exploitation.
Technical Details of CVE-2021-39244
Explore the technical aspects related to CVE-2021-39244.
Vulnerability Description
The vulnerability allows authenticated attackers to execute commands on the impacted devices through the getlogs.cgi tcpdump feature.
Affected Systems and Versions
The following systems and versions are affected:
- Nexto NX3003 1.8.11.0
- Nexto NX3004 1.8.11.0
- Nexto NX3005 1.8.11.0
- Nexto NX3010 1.8.3.0
- Nexto NX3020 1.8.3.0
- Nexto NX3030 1.8.3.0
- Nexto NX5100 1.8.11.0
- Nexto NX5101 1.8.11.0
- Nexto NX5110 1.1.2.8
- Nexto NX5210 1.1.2.8
- Nexto Xpress XP300 1.8.11.0
- Nexto Xpress XP315 1.8.11.0
- Nexto Xpress XP325 1.8.11.0
- Nexto Xpress XP340 1.8.11.0
- Hadron Xtorm HX3040 1.7.58.0
Exploitation Mechanism
The vulnerability can be exploited by injecting commands via the getlogs.cgi tcpdump feature post authentication.
Mitigation and Prevention
Protect your systems using the following strategies.
Immediate Steps to Take
- Update the affected devices to patched versions immediately.
- Monitor and restrict access to the vulnerable features.
- Implement strong authentication mechanisms.
Long-Term Security Practices
- Conduct regular security audits and penetration testing.
- Educate users on secure practices to prevent command injections.
Patching and Updates
Regularly apply security patches and updates to ensure the devices are protected from known vulnerabilities.