CVE-2020-9502 : Vulnerability Insights and Analysis

Some Dahua products with Build time before December 2019 have Session ID predictable vulnerabilities. An attacker can exploit this vulnerability to launch attacks on the device.

Understanding CVE-2020-9502

Dahua products with Build time before December 2019 are susceptible to Session ID predictable vulnerabilities.

What is CVE-2020-9502?

Dahua products with specific build times are affected by predictable Session ID vulnerabilities.
Attackers can use the predicted Session ID to craft malicious data packets and target the device.

The Impact of CVE-2020-9502

Allows attackers to potentially hijack sessions on vulnerable devices.
Enables unauthorized access and manipulation of the device by exploiting the predictable Session ID.

Technical Details of CVE-2020-9502

Dahua products with specific build times are at risk due to predictable Session ID vulnerabilities.

Vulnerability Description

Session ID predictable vulnerabilities in Dahua products with Build time before December 2019.

Affected Systems and Versions

Products affected include IPC-HX2XXX Series, IPC-HXXX5X4X Series, IPC-HX5842H, IPC-HX7842H, NVR 5x Series, NVR 4x Series, SD6AL Series, SD5A Series, SD1A Series, PTZ1A Series, SD50/52C Series, IPC-HFW1431S.
Versions impacted are those built before December 2019.

Exploitation Mechanism

Attackers exploit the predictable Session ID to create data packets for launching attacks on vulnerable devices.

Mitigation and Prevention

Immediate Steps to Take:

Update affected Dahua products to the latest firmware version.
Implement strong, unique session IDs to prevent predictability.

Long-Term Security Practices:

Regularly monitor and audit session management mechanisms.
Conduct security assessments to identify and address vulnerabilities.

Patching and Updates:

Stay informed about security advisories from Dahua and apply patches promptly to mitigate risks.