{"id":"CVE-2021-22321","aliases":["EUVD-2021-9467","GHSA-p3qf-gvrh-m63f"],"status":"published","title":"There is a use-after-free vulnerability in a Huawei product. A module cannot deal with specific...","description":"There is a use-after-free vulnerability in a Huawei product. A module cannot deal with specific operations in special scenarios. Attackers can exploit this vulnerability by performing malicious operations. This can cause memory use-after-free, compromising normal service. Affected product include some versions of NIP6300, NIP6600, NIP6800, S1700, S2700, S5700, S6700 , S7700, S9700, Secospace USG6300, Secospace USG6500, Secospace USG6600 and USG9500.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00741,"percentile":0.55135,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2021-03-22T19:03:52Z","modified":"2026-06-17T03:36:59Z","products":[{"vendor":"huawei","product":"nip6300_firmware"},{"vendor":"huawei","product":"nip6600_firmware"},{"vendor":"huawei","product":"nip6800_firmware"},{"vendor":"huawei","product":"s12700_firmware"},{"vendor":"huawei","product":"s1700_firmware"},{"vendor":"huawei","product":"s2700_firmware"},{"vendor":"huawei","product":"s5700_firmware"},{"vendor":"huawei","product":"s6700_firmware"},{"vendor":"huawei","product":"s7700_firmware"},{"vendor":"huawei","product":"s9700_firmware"},{"vendor":"huawei","product":"secospace_usg6300_firmware"},{"vendor":"huawei","product":"secospace_usg6500_firmware"},{"vendor":"huawei","product":"secospace_usg6600_firmware"},{"vendor":"huawei","product":"usg9500_firmware"}],"references":[{"url":"https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210210-01-uaf-en","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22321"},{"url":"https://github.com/advisories/GHSA-p3qf-gvrh-m63f"}],"sources":{"cve":[{"id":"CVE-2021-22321","description":"There is a use-after-free vulnerability in a Huawei product. A module cannot deal with specific operations in special scenarios. Attackers can exploit this vulnerability by performing malicious operations. This can cause memory use-after-free, compromising normal service. Affected product include some versions of NIP6300, NIP6600, NIP6800, S1700, S2700, S5700, S6700 , S7700, S9700, Secospace USG6300, Secospace USG6500, Secospace USG6600 and USG9500.","status":"published","published":"2021-03-22T19:03:52Z","modified":"2024-08-03T18:37:18.499Z","updated_at":"2026-11-02T14:32:57.701381Z"}],"euvd":[{"id":"EUVD-2021-9467","description":"There is a use-after-free vulnerability in a Huawei product. A module cannot deal with specific operations in special scenarios. Attackers can exploit this vulnerability by performing malicious operations. This can cause memory use-after-free, compromising normal service. Affected product include some versions of NIP6300, NIP6600, NIP6800, S1700, S2700, S5700, S6700 , S7700, S9700, Secospace USG6300, Secospace USG6500, Secospace USG6600 and USG9500.","status":"published","published":"2021-03-22T19:03:52Z","modified":"2024-08-03T18:37:18Z","updated_at":"2026-11-03T03:25:03.183524Z"}],"ghsa":[{"id":"GHSA-p3qf-gvrh-m63f","title":"There is a use-after-free vulnerability in a Huawei product. A module cannot deal with specific...","description":"There is a use-after-free vulnerability in a Huawei product. A module cannot deal with specific operations in special scenarios. Attackers can exploit this vulnerability by performing malicious operations. This can cause memory use-after-free, compromising normal service. Affected product include some versions of NIP6300, NIP6600, NIP6800, S1700, S2700, S5700, S6700 , S7700, S9700, Secospace USG6300, Secospace USG6500, Secospace USG6600 and USG9500.","status":"published","published":"2022-05-24T17:45:00Z","modified":"2023-01-29T05:06:56Z","cwes":["CWE-416"],"updated_at":"2026-11-02T14:46:07.317218Z"}],"nvd":[{"id":"CVE-2021-22321","description":"There is a use-after-free vulnerability in a Huawei product. A module cannot deal with specific operations in special scenarios. Attackers can exploit this vulnerability by performing malicious operations. This can cause memory use-after-free, compromising normal service. Affected product include some versions of NIP6300, NIP6600, NIP6800, S1700, S2700, S5700, S6700 , S7700, S9700, Secospace USG6300, Secospace USG6500, Secospace USG6600 and USG9500.","status":"published","published":"2021-03-22T20:15:17.613Z","modified":"2026-06-17T03:36:59.863Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:06:50.805771Z"}]}}