{"schemaVersion":3,"id":"CVE-2021-22341","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"There is a memory leak vulnerability in Huawei products. A resource management weakness exists in a module. Attackers with high privilege can exploit this vulnerability by performing some operations. This can lead to memory leak. Affected product versions include:IPS Module V500R005C00SPC100,V500R005C00SPC200;NGFW Module V500R005C00SPC100,V500R005C00SPC200;NIP6300 V500R005C00SPC100,V500R005C10SPC200;NIP6600 V500R005C00SPC100,V500R005C00SPC200;Secospace USG6300 V500R005C00SPC100,V500R005C00SPC200;Secospace USG6500 V500R005C00SPC100,V500R005C10SPC200;Secospace USG6600 V500R005C00SPC100,V500R005C00SPC200.","dates":{"published":"2021-06-29T19:22:23.000Z","modified":"2024-08-03T18:37:18.539Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":4.9,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":4.9,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4,"severity":"medium","vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00588,"percentile":0.47162,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00588},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00588,"percentile":0.47162}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00588,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00588,"percentile":0.47162}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-401","name":"Missing Release of Memory after Effective Lifetime","description":"The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.","type":"weakness","status":"Draft","abstraction":"Variant","likelihoodOfExploit":"Medium","url":"https://cwe.mitre.org/data/definitions/401.html"}],"affected":[{"vendor":"huawei","product":"ips_module_firmware","name":"ips module firmware","label":"ips_module_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"v500r005c00spc100","noFixRecorded":false,"fixedIn":null},{"text":"v500r005c00spc200","noFixRecorded":false,"fixedIn":null}],"versionsText":"v500r005c00spc100 | v500r005c00spc200","eol":null,"hubHref":"/vendor/huawei/ips_module"},{"vendor":"huawei","product":"ngfw_module_firmware","name":"ngfw module firmware","label":"ngfw_module_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"v500r005c00spc100","noFixRecorded":false,"fixedIn":null},{"text":"v500r005c00spc200","noFixRecorded":false,"fixedIn":null}],"versionsText":"v500r005c00spc100 | v500r005c00spc200","eol":null,"hubHref":"/vendor/huawei/ngfw_module"},{"vendor":"huawei","product":"nip6300_firmware","name":"nip6300 firmware","label":"nip6300_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"v500r005c00spc100","noFixRecorded":false,"fixedIn":null},{"text":"v500r005c10spc200","noFixRecorded":false,"fixedIn":null}],"versionsText":"v500r005c00spc100 | v500r005c10spc200","eol":null,"hubHref":"/vendor/huawei/nip6300"},{"vendor":"huawei","product":"nip6600_firmware","name":"nip6600 firmware","label":"nip6600_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"v500r005c00spc100","noFixRecorded":false,"fixedIn":null},{"text":"v500r005c00spc200","noFixRecorded":false,"fixedIn":null}],"versionsText":"v500r005c00spc100 | v500r005c00spc200","eol":null,"hubHref":"/vendor/huawei/nip6600"},{"vendor":"huawei","product":"secospace_usg6300_firmware","name":"secospace usg6300 firmware","label":"secospace_usg6300_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"v500r005c00spc100","noFixRecorded":false,"fixedIn":null},{"text":"v500r005c00spc200","noFixRecorded":false,"fixedIn":null}],"versionsText":"v500r005c00spc100 | v500r005c00spc200","eol":null,"hubHref":"/vendor/huawei/secospace_usg6300"},{"vendor":"huawei","product":"secospace_usg6500_firmware","name":"secospace usg6500 firmware","label":"secospace_usg6500_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"v500r005c00spc100","noFixRecorded":false,"fixedIn":null},{"text":"v500r005c10spc200","noFixRecorded":false,"fixedIn":null}],"versionsText":"v500r005c00spc100 | v500r005c10spc200","eol":null,"hubHref":"/vendor/huawei/secospace_usg6500"},{"vendor":"huawei","product":"secospace_usg6600_firmware","name":"secospace usg6600 firmware","label":"secospace_usg6600_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"v500r005c00spc100","noFixRecorded":false,"fixedIn":null},{"text":"v500r005c00spc200","noFixRecorded":false,"fixedIn":null}],"versionsText":"v500r005c00spc100 | v500r005c00spc200","eol":null,"hubHref":"/vendor/huawei/secospace_usg6600"}],"affectedCount":7,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210506-01-memleak-en","label":"www.huawei.com/en/psirt/security-advisories/huawei-sa-20210506-01-memleak-en","hostname":"www.huawei.com","tags":["X Refsource MISC","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-06-29T19:22:23.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-03T18:37:18.539Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":20,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T19:12:53.905Z","stale":false,"partial":false}}