CVE-2021-37122

moderate-risk

Published 2021-10-27

There is a use-after-free (UAF) vulnerability in Huawei products. An attacker may craft specific packets to exploit this vulnerability. Successful exploitation may cause the service abnormal. Affected product versions include:CloudEngine 12800 V200R005C10SPC800,V200R019C00SPC800;CloudEngine 5800 V200R005C10SPC800,V200R019C00SPC800;CloudEngine 6800 V200R005C10SPC800,V200R005C20SPC800,V200R019C00SPC800;CloudEngine 7800 V200R005C10SPC800,V200R019C00SPC800.

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 6.5/10 Medium

ADJACENT_NETWORK / LOW complexity

Affected Products (9)

Cloudengine 12800 Firmware

Cloudengine 5800 Firmware

Cloudengine 6800 Firmware

Cloudengine 7800 Firmware

Affected Vendors

Huawei

References (2)

Vendor Advisory https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20211008-01-cloude...

/ 100

moderate-risk

Severity 21/34 · High

Exploitability 0/34 · Minimal

Exposure 15/34 · Moderate