What’s Vulnerable › Vulnerabilities

CVE-2021-40008

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-12-13 · updated 2026-06-17
• Weakness: CWE-772

Description

There is a memory leak vulnerability in CloudEngine 12800 V200R019C00SPC800, CloudEngine 5800 V200R019C00SPC800, CloudEngine 6800 V200R019C00SPC800 and CloudEngine 7800 V200R019C00SPC800. The software does not sufficiently track and release allocated memory while parse a series of crafted binary messages, which could consume remaining memory. Successful exploit could cause memory exhaust.

Affected products

• CloudEngine 12800: v200r019c00spc800
• CloudEngine 5800: v200r019c00spc800
• Huawei Cloudengine 6800 Firmware: v200r019c00spc800
• Huawei Cloudengine 7800 Firmware: v200r019c00spc800

References

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20211208-01-memleak-en
• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20211208-01-memleak-en

Get alerted when CVE-2021-40008 or the next vulnerability affects your stack