Predictable Session ID Vulnerability in Dahua Products
CVE-2020-9502

9.8CRITICAL

Key Information:

Vendor

Dahuasecurity

Status
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
Vendor
CVE Published:
13 May 2020

What is CVE-2020-9502?

Certain Dahua security devices, manufactured before December 2019, exhibit a predictable Session ID vulnerability. This flaw allows attackers to exploit predictable session identifiers during normal user interactions, enabling unauthorized access to sensitive device data by constructing crafted data packets. This vulnerability underscores the necessity for users to ensure their systems are updated and secured against such predictable attacks.

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Deploy the Patch

Affected Version(s)

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 which Build time before December,2019

References

https://www.dahuasecurity.com/support/cybersecurity/detai...
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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