Is CVE-2016-20042 actively exploited?

No active exploitation of CVE-2016-20042 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2016-20042 be exploited remotely?

No. CVE-2016-20042 requires local access to exploit.

What is the CVSS score of CVE-2016-20042?

CVE-2016-20042 has a CVSS score of 8.4 (HIGH).

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HIGH

CVE-2016-20042

CWE-787Published: March 28, 2026· Updated: Mar 30, 2026

8.4

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:2.1th

Official Description

TRN 3.6-23 contains a stack buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized argument to the application. Attackers can craft a malicious command-line argument with 156 bytes of padding followed by a return address to overwrite the instruction pointer and execute shellcode with user privileges.

NVD Source

Technical Analysis

CVE-2016-20042 requires local access, meaning attackers must already have a foothold on the target system.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

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 8.4.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.