CVE-2020-1855 : What You Need to Know
Learn about CVE-2020-1855 affecting Huawei HEGE-570 and OSCA devices, allowing physical access exploitation to tamper with device information leading to service disruptions. Discover mitigation steps.
This CVE involves an insufficient verification vulnerability in Huawei devices that can be exploited by attackers to tamper with device information, potentially causing service abnormalities.
Understanding CVE-2020-1855
What is CVE-2020-1855?
Huawei HEGE-570 version 1.0.1.22(SP3) and HEGE-560, OSCA-550, OSCA-550A, OSCA-550AX, and OSCA-550X version 1.0.1.21(SP3) are affected by an insufficient verification vulnerability.
The Impact of CVE-2020-1855
The vulnerability allows attackers physical access to the device, enabling them to tamper with device information, which could lead to service abnormalities.
Technical Details of CVE-2020-1855
Vulnerability Description
- Type: Insufficient Verification
- Attack Vector: Physical device access
- Exploitation Outcome: Device information tampering
Affected Systems and Versions
- HEGE-570 version 1.0.1.22(SP3)
- HEGE-560, OSCA-550, OSCA-550A, OSCA-550AX, OSCA-550X version 1.0.1.21(SP3)
Exploitation Mechanism
Attackers with physical device access can exploit the vulnerability to manipulate device data, potentially disrupting services.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches from Huawei promptly
- Limit physical access to affected devices
- Monitor device activity for suspicious behavior
Long-Term Security Practices
- Implement strict access control measures
- Regularly update and patch all devices
Patching and Updates
- Refer to Huawei's security advisory for specific patching information and guidance.