CVE-2018-20398 : Security Advisory and Response
Learn about CVE-2018-20398 affecting Skyworth CM5100 devices, allowing remote attackers to discover credentials via SNMP requests. Find mitigation steps here.
Skyworth CM5100 devices are vulnerable to credential discovery through SNMP requests.
Understanding CVE-2018-20398
This CVE involves the exposure of credentials on specific Skyworth CM5100 devices through SNMP requests.
What is CVE-2018-20398?
The credentials of Skyworth CM5100 V1.1.0, CM5100-440 V1.2.1, CM5100-511 4.1.0.14, CM5100-GHD00 V1.2.2, and CM5100.g2 4.1.0.17 devices can be discovered by remote attackers through specific SNMP requests.
The Impact of CVE-2018-20398
This vulnerability allows remote attackers to potentially access sensitive credentials on affected Skyworth CM5100 devices.
Technical Details of CVE-2018-20398
The technical aspects of this CVE.
Vulnerability Description
The vulnerability enables remote attackers to uncover credentials via iso.3.6.1.4.1.4491.2.4.1.1.6.1.1.0 and iso.3.6.1.4.1.4491.2.4.1.1.6.1.2.0 SNMP requests.
Affected Systems and Versions
- Skyworth CM5100 V1.1.0
- CM5100-440 V1.2.1
- CM5100-511 4.1.0.14
- CM5100-GHD00 V1.2.2
- CM5100.g2 4.1.0.17
Exploitation Mechanism
Remote attackers can exploit this vulnerability by sending specific SNMP requests to the affected devices.
Mitigation and Prevention
Ways to address and prevent the CVE.
Immediate Steps to Take
- Disable SNMP if not required
- Implement firewall rules to restrict SNMP access
- Regularly monitor SNMP activity for suspicious behavior
Long-Term Security Practices
- Conduct regular security assessments and audits
- Keep devices and software up to date
- Train staff on cybersecurity best practices
Patching and Updates
- Apply patches and updates from the vendor to address the vulnerability