Is CVE-2017-13684 actively exploited?

No active exploitation of CVE-2017-13684 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-13684 be exploited remotely?

No. CVE-2017-13684 requires local access to exploit.

What is the CVSS score of CVE-2017-13684?

CVE-2017-13684 has a CVSS score of 7.8 (HIGH).

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HIGH

CVE-2017-13684

CWE-119Published: September 30, 2017· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

Unisys Libra 64xx and 84xx and FS601 class systems with MCP-FIRMWARE before 43.211 allow remote authenticated users to cause a denial of service (program crash) or have unspecified other impact via vectors related to incorrect literal handling, which trigger CPM stack corruption.

NVD Source

Technical Analysis

CVE-2017-13684 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

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.

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