{"id":"CVE-2021-37122","aliases":["EUVD-2021-23698","GHSA-mp8g-xgjg-4566"],"status":"published","title":"There is a use-after-free (UAF) vulnerability in Huawei products. An attacker may craft specific...","description":"There is a use-after-free (UAF) vulnerability in Huawei products. An attacker may craft specific packets to exploit this vulnerability. Successful exploitation may cause the service abnormal. Affected product versions include:CloudEngine 12800 V200R005C10SPC800,V200R019C00SPC800;CloudEngine 5800 V200R005C10SPC800,V200R019C00SPC800;CloudEngine 6800 V200R005C10SPC800,V200R005C20SPC800,V200R019C00SPC800;CloudEngine 7800 V200R005C10SPC800,V200R019C00SPC800.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00268,"percentile":0.19143,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2021-10-27T00:36:07Z","modified":"2026-06-17T04:00:00Z","products":[{"vendor":"huawei","product":"cloudengine_12800_firmware"},{"vendor":"huawei","product":"cloudengine_5800_firmware"},{"vendor":"huawei","product":"cloudengine_6800_firmware"},{"vendor":"huawei","product":"cloudengine_7800_firmware"}],"references":[{"url":"https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20211008-01-cloudengine-en","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-37122"},{"url":"https://github.com/advisories/GHSA-mp8g-xgjg-4566"}],"sources":{"cve":[{"id":"CVE-2021-37122","description":"There is a use-after-free (UAF) vulnerability in Huawei products. An attacker may craft specific packets to exploit this vulnerability. Successful exploitation may cause the service abnormal. Affected product versions include:CloudEngine 12800 V200R005C10SPC800,V200R019C00SPC800;CloudEngine 5800 V200R005C10SPC800,V200R019C00SPC800;CloudEngine 6800 V200R005C10SPC800,V200R005C20SPC800,V200R019C00SPC800;CloudEngine 7800 V200R005C10SPC800,V200R019C00SPC800.","status":"published","published":"2021-10-27T00:36:07Z","modified":"2024-08-04T01:09:07.805Z","updated_at":"2026-11-02T14:32:58.359368Z"}],"euvd":[{"id":"EUVD-2021-23698","description":"There is a use-after-free (UAF) vulnerability in Huawei products. An attacker may craft specific packets to exploit this vulnerability. Successful exploitation may cause the service abnormal. Affected product versions include:CloudEngine 12800 V200R005C10SPC800,V200R019C00SPC800;CloudEngine 5800 V200R005C10SPC800,V200R019C00SPC800;CloudEngine 6800 V200R005C10SPC800,V200R005C20SPC800,V200R019C00SPC800;CloudEngine 7800 V200R005C10SPC800,V200R019C00SPC800.","status":"published","published":"2021-10-27T00:36:07Z","modified":"2024-08-04T01:09:07Z","updated_at":"2026-11-03T03:24:28.314716Z"}],"ghsa":[{"id":"GHSA-mp8g-xgjg-4566","title":"There is a use-after-free (UAF) vulnerability in Huawei products. An attacker may craft specific...","description":"There is a use-after-free (UAF) vulnerability in Huawei products. An attacker may craft specific packets to exploit this vulnerability. Successful exploitation may cause the service abnormal. Affected product versions include:CloudEngine 12800 V200R005C10SPC800,V200R019C00SPC800;CloudEngine 5800 V200R005C10SPC800,V200R019C00SPC800;CloudEngine 6800 V200R005C10SPC800,V200R005C20SPC800,V200R019C00SPC800;CloudEngine 7800 V200R005C10SPC800,V200R019C00SPC800.","status":"published","published":"2022-05-24T19:18:59Z","modified":"2023-01-30T05:03:12Z","cwes":["CWE-416"],"updated_at":"2026-11-02T14:46:47.501364Z"}],"nvd":[{"id":"CVE-2021-37122","description":"There is a use-after-free (UAF) vulnerability in Huawei products. An attacker may craft specific packets to exploit this vulnerability. Successful exploitation may cause the service abnormal. Affected product versions include:CloudEngine 12800 V200R005C10SPC800,V200R019C00SPC800;CloudEngine 5800 V200R005C10SPC800,V200R019C00SPC800;CloudEngine 6800 V200R005C10SPC800,V200R005C20SPC800,V200R019C00SPC800;CloudEngine 7800 V200R005C10SPC800,V200R019C00SPC800.","status":"published","published":"2021-10-27T01:15:07.597Z","modified":"2026-06-17T04:00:00.5Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":3.3,"vector":"AV:A/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:07:00.549994Z"}]}}