{"cve":"CVE-2019-5256","nvd":{"published":"2019-12-13T23:15:11.817","modified":"2026-06-17T02:37:23.197","status":"Modified","description":"Certain Huawei products (AP2000;IPS Module;NGFW Module;NIP6300;NIP6600;NIP6800;S5700;SVN5600;SVN5800;SVN5800-C;SeMG9811;Secospace AntiDDoS8000;Secospace USG6300;Secospace USG6500;Secospace USG6600;USG6000V;eSpace U1981) have a null pointer dereference vulnerability. The system dereferences a pointer that it expects to be valid, but is NULL. A local attacker could exploit this vulnerability by sending crafted parameters. A successful exploit could cause a denial of service and the process reboot.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191211-01-ssp-en","https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191211-01-ssp-en"],"products":["huawei:ap2000_firmware","huawei:espace_u1981_firmware","huawei:ips_firmware","huawei:ngfw_firmware","huawei:nip6300_firmware","huawei:nip6600_firmware","huawei:nip6800_firmware","huawei:s5700_firmware","huawei:secospace_antiddos8000_firmware","huawei:secospace_usg6300_firmware","huawei:secospace_usg6500_firmware","huawei:secospace_usg6600_firmware","huawei:semg9811_firmware","huawei:svn5600_firmware","huawei:svn5800-c_firmware","huawei:svn5800_firmware","huawei:usg6000v_firmware"],"source":"nvd","synced_at":"2026-10-19T20:59:27.069234358+00:00"},"epss":{"cve":"CVE-2019-5256","score":0.00205,"percentile":0.10524,"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."]}