NULL pointer dereference in Huawei Ap2000
CVE-2019-5256
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.002 (10.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Huawei Ap2000
- Huawei Ap2000 Firmware — versions v200r005c30, v200r006c10, v200r006c20
- Huawei Espace U1981
- Huawei Espace U1981 Firmware — versions v200r003c50spc700
- Huawei Ips
- Huawei Ips Firmware — versions v500r001c00spc300, v500r001c00spc500, v500r001c00sph303
- Huawei Ngfw
- Huawei Ngfw Firmware — versions v500r001c00spc300, v500r001c00spc500, v500r001c00spc500pwe
- Huawei Nip6300
- Huawei Nip6300 Firmware — versions v500r001c00spc300, v500r001c00spc500, v500r001c00sph303
Weakness classification (CWE)
References
- www.huawei.com/en/psirt/security-advisories/huawei-sa-20191211-01-ssp-en (Vendor Advisory)
Frequently asked questions
- What is CVE-2019-5256?
- CVE-2019-5256 is a medium-severity vulnerability in Huawei Ap2000, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2019-12-13.
- How severe is CVE-2019-5256?
- Medium severity. CVSS v3 base score is 5.5 out of 10.