medium
5.9
CWE
327
Advisory Published
Updated

CVE-2021-22356

First published: Tue Nov 23 2021(Updated: )

There is a weak secure algorithm vulnerability in Huawei products. A weak secure algorithm is used in a module. Attackers can exploit this vulnerability by capturing and analyzing the messages between devices to obtain information. This can lead to information leak.Affected product versions include: IPS Module V500R005C00SPC100, V500R005C00SPC200; NGFW Module V500R005C00SPC100, V500R005C00SPC200; Secospace USG6300 V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500, V500R005C00SPC100, V500R005C00SPC200; Secospace USG6500 V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500, V500R005C00SPC100, V500R005C00SPC200; Secospace USG6600 V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500, V500R005C00SPC100, V500R005C00SPC200; USG9500 V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500, V500R005C00SPC100, V500R005C00SPC200.

Credit: psirt@huawei.com

Affected SoftwareAffected VersionHow to fix
Huawei Ips Module Firmware=v500r005c00spc100
Huawei Ips Module Firmware=v500r005c00spc200
Huawei IPS Module
Huawei Ngfw Module Firmware=v500r005c00spc100
Huawei Ngfw Module Firmware=v500r005c00spc200
Huawei NGFW Module
Huawei Secospace Usg6300 Firmware=v500r001c30spc200
Huawei Secospace Usg6300 Firmware=v500r001c30spc600
Huawei Secospace Usg6300 Firmware=v500r001c60spc500
Huawei Secospace Usg6300 Firmware=v500r005c00spc100
Huawei Secospace Usg6300 Firmware=v500r005c00spc200
Huawei Secospace USG6300
Huawei Secospace Usg6500 Firmware=v500r001c30spc200
Huawei Secospace Usg6500 Firmware=v500r001c30spc600
Huawei Secospace Usg6500 Firmware=v500r001c60spc500
Huawei Secospace Usg6500 Firmware=v500r005c00spc100
Huawei Secospace Usg6500 Firmware=v500r005c00spc200
Huawei Secospace Usg6500
Huawei Secospace Usg6600 Firmware=v500r001c30spc200
Huawei Secospace Usg6600 Firmware=v500r001c30spc600
Huawei Secospace Usg6600 Firmware=v500r001c60spc500
Huawei Secospace Usg6600 Firmware=v500r005c00spc100
Huawei Secospace Usg6600 Firmware=v500r005c00spc200
Huawei Secospace USG6600
Huawei Usg9500 Firmware=v500r001c30spc200
Huawei Usg9500 Firmware=v500r001c30spc600
Huawei Usg9500 Firmware=v500r001c60spc500
Huawei Usg9500 Firmware=v500r005c00spc100
Huawei Usg9500 Firmware=v500r005c00spc200
Huawei USG9500

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Frequently Asked Questions

  • What is vulnerability CVE-2021-22356?

    Vulnerability CVE-2021-22356 is a weak secure algorithm vulnerability found in Huawei products.

  • What is the severity of vulnerability CVE-2021-22356?

    The severity of vulnerability CVE-2021-22356 is medium with a severity value of 5.9.

  • How can this vulnerability be exploited?

    Attackers can exploit this vulnerability by capturing and analyzing the messages between devices to obtain information.

  • Which Huawei products are affected by vulnerability CVE-2021-22356?

    The affected Huawei products include Ips Module Firmware, Ngfw Module Firmware, and Secospace Usg6300/6500/6600 Firmware.

  • How can I fix vulnerability CVE-2021-22356?

    To fix vulnerability CVE-2021-22356, it is recommended to apply the security patch provided by Huawei.

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