CVE-2019-5256

high-risk

Published 2019-12-13

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.

Do I need to act?

0.06% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.5/10 Medium

LOCAL / LOW complexity

Affected Products (20)

Ap2000 Firmware

Ips Firmware

Affected Vendors

Huawei

References (2)

Vendor Advisory https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191211-01-ssp-en

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high-risk

Severity 18/34 · Moderate

Exploitability 0/34 · Minimal

Exposure 33/34 · Critical