{"api_version":"1","generated_at":"2026-04-23T09:53:05+00:00","cve":"CVE-2021-22356","urls":{"html":"https://cve.report/CVE-2021-22356","api":"https://cve.report/api/cve/CVE-2021-22356.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-22356","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-22356"},"summary":{"title":"CVE-2021-22356","description":"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. 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Module;NGFW Module;Secospace USG6300;Secospace USG6500;Secospace USG6600;USG9500","version":{"version_data":[{"version_value":"V500R005C00SPC100,V500R005C00SPC200"},{"version_value":"V500R005C00SPC100,V500R005C00SPC200"},{"version_value":"V500R001C30SPC200,V500R001C30SPC600,V500R001C60SPC500,V500R005C00SPC100,V500R005C00SPC200"},{"version_value":"V500R001C30SPC200,V500R001C30SPC600,V500R001C60SPC500,V500R005C00SPC100,V500R005C00SPC200"},{"version_value":"V500R001C30SPC200,V500R001C30SPC600,V500R001C60SPC500,V500R005C00SPC100,V500R005C00SPC200"},{"version_value":"V500R001C30SPC200,V500R001C30SPC600,V500R001C60SPC500,V500R005C00SPC100,V500R005C00SPC200"}]}}]}}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Weak Secure Algorithm"}]}]},"references":{"reference_data":[{"refsource":"MISC","name":"https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210512-01-infomationleak-en","url":"https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210512-01-infomationleak-en"}]},"description":{"description_data":[{"lang":"eng","value":"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."}]}},"nvd":{"publishedDate":"2021-11-23 16:15:00","lastModifiedDate":"2021-11-29 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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.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"22356","Ordinal":"2","NoteData":"2021-11-23","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"22356","Ordinal":"3","NoteData":"2021-11-23","Type":"Other","Title":"Modified"}]}}}