{"cve":"CVE-2021-22312","nvd":{"published":"2021-04-08T19:15:12.727","modified":"2026-06-17T03:36:58.923","status":"Modified","description":"There is a memory leak vulnerability in some Huawei products. An authenticated remote attacker may exploit this vulnerability by sending specific message to the affected product. Due to not release the allocated memory properly, successful exploit may cause some service abnormal. Affected product include some versions of IPS Module, NGFW Module, Secospace USG6300, Secospace USG6500, Secospace USG6600 and USG9500.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-401"],"references":["https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210210-01-memoryleak-en","https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210210-01-memoryleak-en"],"products":["huawei:ips6000e_firmware","huawei:ips_module_firmware","huawei:ngfw_module_firmware","huawei:nip6000e_firmware","huawei:nip6300_firmware","huawei:nip6600_firmware","huawei:nip6800_firmware","huawei:secospace_usg6300_firmware","huawei:secospace_usg6500_firmware","huawei:secospace_usg6600_firmware","huawei:usg6000e_firmware","huawei:usg9500_firmware"],"source":"nvd","synced_at":"2026-10-19T21:17:01.373894544+00:00"},"epss":{"cve":"CVE-2021-22312","score":0.00855,"percentile":0.58374,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}