CVE-2021-40042: huawei cloudengine_12800_firmware Release of Invalid Pointer or Reference

Vulnerability summary

CVE-2021-40042 is a medium (CVSS 6.5) Release of Invalid Pointer or Reference vulnerability in huawei cloudengine_12800_firmware. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.6% of scored vulnerabilities.

Timeline

1. 31-01-2022
   PublishedVulnerability first disclosed.
2. 04-08-2024
   Last modifiedVulnerability information updated.

Description

There is a release of invalid pointer vulnerability in some Huawei products, successful exploit may cause the process and service abnormal. Affected product versions include: CloudEngine 12800 V200R019C10SPC800, V200R019C10SPC900; CloudEngine 5800 V200R019C10SPC800, V200R020C00SPC600; CloudEngine 6800 versions V200R019C10SPC800, V200R019C10SPC900, V200R020C00SPC600, V300R020C00SPC200; CloudEngine 7800 V200R019C10SPC800.

• CWE-763Release of Invalid Pointer or ReferenceThe product attempts to return a memory resource to the system, but it calls the wrong release function or calls the appropriate release function incorrectly.