{"schemaVersion":3,"id":"CVE-2018-7994","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Some Huawei products IPS Module V500R001C50; NGFW Module V500R001C50; V500R002C10; NIP6300 V500R001C50; NIP6600 V500R001C50; NIP6800 V500R001C50; Secospace USG6600 V500R001C50; USG9500 V500R001C50 have a memory leak vulnerability. The software does not release allocated memory properly when processing Protal questionnaire. A remote attacker could send a lot questionnaires to the device, successful exploit could cause the device to reboot since running out of memory.","dates":{"published":"2018-07-31T14:00:00.000Z","modified":"2024-08-05T06:37:59.640Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.8,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.0/AV:N/AC:L/PR:N/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":7.8,"severity":"high","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00961,"percentile":0.6097,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":-0.35899999999999993,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.0132},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.0132,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.0132,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.0132,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.0132,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.0132,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.0132,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0132,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01321,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0132,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0132,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0132,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0132,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0132,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0132,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0132,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00961,"percentile":0.6097}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.0132,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0132,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01321,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0132,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0132,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0132,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0132,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0132,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0132,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0132,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00961,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00961,"percentile":0.6097}]},"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-772","name":"Missing Release of Resource after Effective Lifetime","description":"The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/772.html"}],"affected":[{"vendor":"huawei technologies co., ltd.","product":"ngfw module; nip6300; nip6600; nip6800; secospace usg6600; usg9500","name":"NGFW Module; NIP6300; NIP6600; NIP6800; Secospace USG6600; USG9500","label":"ngfw module; nip6300; nip6600; nip6800; secospace usg6600; usg9500","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"IPS Module V500R001C50","noFixRecorded":false,"fixedIn":null},{"text":"NGFW Module V500R001C50","noFixRecorded":false,"fixedIn":null},{"text":"V500R002C10","noFixRecorded":false,"fixedIn":null},{"text":"NIP6300 V500R001C50","noFixRecorded":false,"fixedIn":null},{"text":"NIP6600 V500R001C50","noFixRecorded":false,"fixedIn":null},{"text":"NIP6800 V500R001C50","noFixRecorded":false,"fixedIn":null},{"text":"Secospace USG6600 V500R001C50","noFixRecorded":false,"fixedIn":null},{"text":"USG9500 V500R001C50","noFixRecorded":false,"fixedIn":null}],"versionsText":"IPS Module V500R001C50 | NGFW Module V500R001C50 | V500R002C10 | NIP6300 V500R001C50 | NIP6600 V500R001C50 | NIP6800 V500R001C50 | Secospace USG6600 V500R001C50 | USG9500 V500R001C50","eol":null,"hubHref":"/vendor/huawei_technologies_co_ltd/ngfw_module_nip6300_nip6600_nip6800_secospace_usg6600_usg9500"},{"vendor":"huawei","product":"ips_module_firmware","name":"ips module firmware","label":"ips_module_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"v500r001c50","noFixRecorded":false,"fixedIn":null}],"versionsText":"v500r001c50","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":"v500r001c50","noFixRecorded":false,"fixedIn":null},{"text":"v500r002c10","noFixRecorded":false,"fixedIn":null}],"versionsText":"v500r001c50 | v500r002c10","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":"v500r001c50","noFixRecorded":false,"fixedIn":null}],"versionsText":"v500r001c50","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":"v500r001c50","noFixRecorded":false,"fixedIn":null}],"versionsText":"v500r001c50","eol":null,"hubHref":"/vendor/huawei/nip6600"},{"vendor":"huawei","product":"nip6800_firmware","name":"nip6800 firmware","label":"nip6800_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"v500r001c50","noFixRecorded":false,"fixedIn":null}],"versionsText":"v500r001c50","eol":null,"hubHref":"/vendor/huawei/nip6800"},{"vendor":"huawei","product":"secospace_usg6600_firmware","name":"secospace usg6600 firmware","label":"secospace_usg6600_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"v500r001c50","noFixRecorded":false,"fixedIn":null}],"versionsText":"v500r001c50","eol":null,"hubHref":"/vendor/huawei/secospace_usg6600"},{"vendor":"huawei","product":"usg9500_firmware","name":"usg9500 firmware","label":"usg9500_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"v500r001c50","noFixRecorded":false,"fixedIn":null}],"versionsText":"v500r001c50","eol":null,"hubHref":"/vendor/huawei/usg9500"}],"affectedCount":8,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20180704-01-firewall-en","label":"www.huawei.com/en/psirt/security-advisories/huawei-sa-20180704-01-firewall-en","hostname":"www.huawei.com","tags":["X Refsource CONFIRM","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2018-07-31T14:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T06:37:59.640Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":31,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T07:22:07.247Z","stale":false,"partial":false}}