CVE-2019-5256 — Certain Huawei products (AP2000;IPS Module;NGFW Module;NIP6300;NIP6600;NIP6800;S

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 de

01What is this vulnerability?

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…

02Affected products

Vendor	Product	Versions
n	a / 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 — V200R005C30, V200R006C10, V200R006C20, V200R007C10, V200R007C20, V200R008C00, V200R008C10, V200R009C00, V500R001C00SPC300, V500R001C00SPC500, V500R001C00SPH303, V500R001C00SPH508, V500R001C20, V500R001C20SPC100, V500R001C20SPC100PWE, V500R001C20SPC200, V500R001C20SPC200B062, V500R001C20SPC200PWE, V500R001C20SPC300B078, V500R001C20SPC300PWE, V500R001C30, V500R001C30SPC100, V500R001C30SPC100PWE, V500R001C30SPC200, V500R001C30SPC200PWE, V500R001C30SPC300, V500R001C50, V500R001C50PWE, V500R001C80, V500R005C00, V500R001C00SPC500PWE, V500R002C00, V500R002C00SPC100, V500R002C00SPC100PWE, V500R002C00SPC200, V500R002C00SPC200PWE, V500R002C00SPC300, V500R002C10, V500R002C10PWE, V500R002C30, V500R002C30PWE, V200R005C03, V200R003C00SPC100, V500R002C20, V500R001C00, V500R001C00SPC200, V500R001C00SPC600, V500R001C00SPC700, V500R001C20SPC300, V500R001C20SPC500, V500R001C20SPC600, V500R001C60SPC100, V500R001C60SPC101, V500R001C60SPC200, V500R001C60SPC300, V500R001C60SPC500, V500R001C60SPC600, V500R005C00SPC100, V100R001C20SPC100, V500R001C20SPC101, V500R001C80PWE, V100R001C00SPC200, V100R001C10SPC200, V100R001C10SPC201, V100R001C20SPC200, V500R001C00SPC050, V500R001C00SPC090, V500R001C30SPC500, V500R001C30SPC600, V500R001C30SPC600PWE, V500R001C30SPC601, V500R001C50SPC009, V500R001C50SPC100, V500R001C50SPC100PWE, V500R001C50SPC200, V500R001C50SPC200PWE, V500R001C50SPC300, V500R001C60, V500R001C60SPC100PWE, V500R001C60SPC200PWE, V500R005C00SPC102, V500R001C10, V500R001C10SPC100, V500R001C10SPC200, V500R003C00, V500R003C00SPC100, V200R003C50SPC700

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-12-13T22:45:34.000Z
• Last modified: 2024-08-04T19:47:56.652Z

09References

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