Advisory Published
Updated

CVE-2020-9500

First published: Thu Apr 09 2020(Updated: )

Some products of Dahua have Denial of Service vulnerabilities. After the successful login of the legal account, the attacker sends a specific log query command, which may cause the device to go down.

Credit: cybersecurity@dahuatech.com

Affected SoftwareAffected VersionHow to fix
Dahuasecurity Sd6al Firmware<2019-12
Dahuasecurity Sd6al
Dahuasecurity Sd5a Firmware<2019-12
Dahuasecurity Sd5a
Dahuasecurity Sd1a Firmware<2019-12
Dahuasecurity Sd1a
Dahuasecurity Ptz1a Firmware<2019-12
Dahuasecurity Ptz1a
Dahuasecurity Sd50 Firmware<2019-12
Dahuasecurity Sd50
Dahuasecurity Sd52c Firmware<2019-12
Dahuasecurity Sd52c
Dahuasecurity Ipc-hx5842h Firmware<2019-12
Dahuasecurity Ipc-hx5842h
Dahuasecurity Ipc-hx7842h Firmware<2019-12
Dahuasecurity Ipc-hx7842h
Dahuasecurity Ipc-hx2xxx Firmware<2019-12
Dahuasecurity Ipc-hx2xxx
Dahuasecurity Ipc-hxxx5x4x Firmware<2019-12
Dahuasecurity Ipc-hxxx5x4x
Dahuasecurity N42b1p Firmware<2019-12
Dahuasecurity N42b1p
Dahuasecurity N42b2p Firmware<2019-12
Dahuasecurity N42b2p
Dahuasecurity N42b3p Firmware<2019-12
Dahuasecurity N42b3p
Dahuasecurity N52a4p Firmware<2019-12
Dahuasecurity N52a4p
Dahuasecurity N54a4p Firmware<2019-12
Dahua N54a4p
Dahuasecurity N52b2p Firmware<2019-12
Dahuasecurity N52b2p
Dahuasecurity N52b5p Firmware<2019-12
Dahuasecurity N52b5p
Dahuasecurity N52b3p Firmware<2019-12
Dahuasecurity N52b3p
Dahuasecurity N54b2p Firmware<2019-12
Dahuasecurity N54b2p

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Frequently Asked Questions

  • What is CVE-2020-9500?

    CVE-2020-9500 is a vulnerability that affects some products of Dahua, allowing an attacker to cause a Denial of Service (DoS) by sending a specific log query command after a successful login.

  • Which products of Dahua are affected by CVE-2020-9500?

    The following Dahua products are affected by CVE-2020-9500: Dahuasecurity Sd6al Firmware (up to version 2019-12), Dahuasecurity Sd5a Firmware (up to version 2019-12), Dahuasecurity Sd1a Firmware (up to version 2019-12), Dahuasecurity Ptz1a Firmware (up to version 2019-12), Dahuasecurity Sd50 Firmware (up to version 2019-12), Dahuasecurity Sd52c Firmware (up to version 2019-12), Dahuasecurity Ipc-hx5842h Firmware (up to version 2019-12), Dahuasecurity Ipc-hx7842h Firmware (up to version 2019-12), Dahuasecurity Ipc-hx2xxx Firmware (up to version 2019-12), Dahuasecurity Ipc-hxxx5x4x Firmware (up to version 2019-12), Dahuasecurity N42b1p Firmware (up to version 2019-12), Dahuasecurity N42b2p Firmware (up to version 2019-12), Dahuasecurity N42b3p Firmware (up to version 2019-12), Dahuasecurity N52a4p Firmware (up to version 2019-12), Dahuasecurity N54a4p Firmware (up to version 2019-12), Dahuasecurity N52b2p Firmware (up to version 2019-12), Dahuasecurity N52b5p Firmware (up to version 2019-12), and Dahuasecurity N52b3p Firmware (up to version 2019-12).

  • What is the severity of CVE-2020-9500?

    The severity of CVE-2020-9500 is medium with a CVSS score of 4.9.

  • How does CVE-2020-9500 work?

    After a successful login with a legal account, an attacker can send a specific log query command to the vulnerable Dahua products, causing a Denial of Service (DoS) and potentially making the device go down.

  • Is there a fix for CVE-2020-9500?

    Currently, there is no known fix or patch for CVE-2020-9500. It is recommended to follow the mitigation steps provided by the vendor and keep the affected products up to date.

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