Remote Code Execution Vulnerability in Tencent WeChat
CVE-2020-27874

8.8HIGH

Key Information:

Vendor

Tencent

Status
Wechat
Vendor
CVE Published:
10 February 2021

What is CVE-2020-27874?

A remote code execution vulnerability exists in Tencent WeChat versions 7.0.18 due to improper validation of user-supplied data within the WXAM Decoder. This flaw allows attackers to execute arbitrary code when the victim interacts with a malicious webpage or file. Successful exploitation results in memory access issues, potentially leading to severe compromises in the affected user's environment. Users must exercise caution and avoid engaging with untrusted content to mitigate the risks associated with this vulnerability.

Affected Version(s)

WeChat 7.0.18

References

https://www.zerodayinitiative.com/advisories/ZDI-21-084/
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Wen guang Jiao
.