Is CVE-2019-11931 actively exploited?

No active exploitation of CVE-2019-11931 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-11931 be exploited remotely?

No. CVE-2019-11931 requires local access to exploit.

What is the CVSS score of CVE-2019-11931?

CVE-2019-11931 has a CVSS score of 7.8 (HIGH).

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HIGH

CVE-2019-11931

CWE-121Published: November 14, 2019· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

A stack-based buffer overflow could be triggered in WhatsApp by sending a specially crafted MP4 file to a WhatsApp user. The issue was present in parsing the elementary stream metadata of an MP4 file and could result in a DoS or RCE. This affects Android versions prior to 2.19.274, iOS versions prior to 2.19.100, Enterprise Client versions prior to 2.25.3, Business for Android versions prior to 2.19.104 and Business for iOS versions prior to 2.19.100.

NVD Source

Technical Analysis

CVE-2019-11931 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.