What’s Vulnerable › Vulnerabilities

CVE-2021-37122

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-10-27 · updated 2026-06-17
• Weakness: CWE-416

Description

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.

Affected products

• CloudEngine 12800: v200r005c10spc800, v200r019c00spc800
• CloudEngine 5800: v200r005c10spc800, v200r019c00spc800
• Huawei Cloudengine 6800 Firmware: v200r005c10spc800, v200r005c20spc800, v200r019c00spc800
• Huawei Cloudengine 7800 Firmware: v200r005c10spc800, v200r019c00spc800

References

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20211008-01-cloudengine-en
• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20211008-01-cloudengine-en

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