CVE-2021-40027: huawei emui NULL Pointer Dereference

Vulnerability summary

CVE-2021-40027 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in huawei emui. EPSS estimates a 0.84% chance of exploitation in the next 30 days, higher than 57.2% of scored vulnerabilities.

Timeline

1. 07-01-2022
   PublishedVulnerability first disclosed.
2. 04-08-2024
   Last modifiedVulnerability information updated.

Description

The bone voice ID TA has a vulnerability in calculating the buffer length,Successful exploitation of this vulnerability may affect data confidentiality.

• CWE-476NULL Pointer DereferenceThe product dereferences a pointer that it expects to be valid but is NULL.
• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.