medium
5.3
CWE
125
Advisory Published
Updated

CVE-2020-1821

First published: Sat Dec 28 2024(Updated: )

There are multiple out of bounds (OOB) read vulnerabilities in the implementation of the Common Open Policy Service (COPS) protocol of some Huawei products. The specific decoding function may occur out-of-bounds read when processes an incoming data packet. Successful exploit of these vulnerabilities may disrupt service on the affected device. (Vulnerability ID: HWPSIRT-2018-12275,HWPSIRT-2018-12276,HWPSIRT-2018-12277,HWPSIRT-2018-12278,HWPSIRT-2018-12279,HWPSIRT-2018-12280 and HWPSIRT-2018-12289) The seven vulnerabilities have been assigned seven Common Vulnerabilities and Exposures (CVE) IDs: CVE-2020-1818, CVE-2020-1819, CVE-2020-1820, CVE-2020-1821, CVE-2020-1822, CVE-2020-1823 and CVE-2020-1824.

Credit: psirt@huawei.com

Affected SoftwareAffected VersionHow to fix
All of
Any of
Huawei IPS firmware=v500r001c30
Huawei IPS firmware=v500r001c60
Huawei IPS firmware=v500r005c00
Huawei IPS Module firmware
All of
Any of
Huawei NGFW Module firmware=v500r002c00
Huawei NGFW Module firmware=v500r002c20
Huawei NGFW Module firmware=v500r005c00
Huawei NGFW Module
All of
Any of
Huawei NIP6300 firmware=v500r001c30
Huawei NIP6300 firmware=v500r001c60
Huawei NIP6300 firmware=v500r005c00
Huawei NIP6300 firmware
All of
Any of
Huawei NIP6600=v500r001c30
Huawei NIP6600=v500r001c60
Huawei NIP6600=v500r005c00
Huawei NIP6600 firmware
All of
Any of
Huawei NIP6800 Firmware=v500r001c60
Huawei NIP6800 Firmware=v500r005c00
Huawei NIP6800 Firmware
All of
Any of
Huawei Secospace USG6300 Firmware=v500r001c30
Huawei Secospace USG6300 Firmware=v500r001c60
Huawei Secospace USG6300 Firmware=v500r005c00
Huawei Secospace USG6300 firmware
All of
Any of
Huawei Secospace USG6500=v500r001c30
Huawei Secospace USG6500=v500r001c60
Huawei Secospace USG6500=v500r005c00
Huawei Secospace USG6500 firmware
All of
Any of
Huawei Secospace USG6600 firmware=v500r001c30
Huawei Secospace USG6600 firmware=v500r005c00
Huawei Secospace USG6600 firmware
All of
Huawei USG6000V firmware=v500r003c00
Huawei USG6000V firmware

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2020-1821?

    CVE-2020-1821 is classified as a high severity vulnerability due to the potential for out-of-bounds read exploits.

  • How do I fix CVE-2020-1821?

    To fix CVE-2020-1821, update the affected Huawei devices to the latest firmware versions provided by Huawei.

  • Which Huawei products are affected by CVE-2020-1821?

    CVE-2020-1821 affects various Huawei products including the IPS Module, NGFW Module, NIP6300, NIP6600, NIP6800, Secospace USG6300, USG6500, USG6600, and USG6000V firmware.

  • What type of vulnerability is CVE-2020-1821?

    CVE-2020-1821 is categorized as an out-of-bounds read vulnerability within the implementation of the Common Open Policy Service (COPS) protocol.

  • Can CVE-2020-1821 be exploited remotely?

    Yes, successful exploitation of CVE-2020-1821 may allow attackers to conduct remote exploits against the vulnerable systems.

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