CVE-2020-1856 Explained : Impact and Mitigation
Learn about CVE-2020-1856, an information leakage vulnerability affecting Huawei NGFW Module, NIP6300, NIP6600, Secospace USG6500, USG6600, and USG9500. Understand the impact, affected systems, exploitation, and mitigation steps.
Huawei NGFW Module, NIP6300, NIP6600, Secospace USG6500, Secospace USG6600, and USG9500 versions V500R001C30, V500R001C60, and V500R005C00 have an information leakage vulnerability.
Understanding CVE-2020-1856
What is CVE-2020-1856?
This CVE refers to an information leakage vulnerability in Huawei NGFW Module, NIP6300, NIP6600, Secospace USG6500, Secospace USG6600, and USG9500 devices.
The Impact of CVE-2020-1856
The vulnerability allows attackers to send specific request packets to affected devices, potentially leading to information leakage.
Technical Details of CVE-2020-1856
Vulnerability Description
- Information leakage vulnerability in Huawei NGFW Module, NIP6300, NIP6600, Secospace USG6500, Secospace USG6600, and USG9500
Affected Systems and Versions
- NGFW Module, NIP6300, NIP6600, Secospace USG6500, Secospace USG6600, USG9500
- Versions: V500R001C30, V500R001C60, V500R005C00
Exploitation Mechanism
- Attacker sends specific request packets to exploit the vulnerability
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by Huawei
- Monitor network traffic for any suspicious activity
- Implement strict access controls and firewall rules
Long-Term Security Practices
- Regularly update and patch all devices and software
- Conduct security audits and assessments periodically
Patching and Updates
- Check Huawei's security advisories for patches and updates