Is CVE-2015-6490 actively exploited?

No active exploitation of CVE-2015-6490 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2015-6490 be exploited remotely?

Yes. CVE-2015-6490 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2015-6490?

CVE-2015-6490 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2015-6490

CRITICAL

CVE-2015-6490

CWE-119Published: October 28, 2015· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Stack-based buffer overflow on Allen-Bradley MicroLogix 1100 devices before B FRN 15.000 and 1400 devices through B FRN 15.003 allows remote attackers to execute arbitrary code via unspecified vectors.

NVD Source

Technical Analysis

CVE-2015-6490 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

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 9.8.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.