Is CVE-2017-2821 actively exploited?

No active exploitation of CVE-2017-2821 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-2821 be exploited remotely?

Yes. CVE-2017-2821 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-2821?

CVE-2017-2821 has a CVSS score of 8.8 (HIGH).

HOME VULNERABILITIESCVE-2017-2821

HIGH

CVE-2017-2821

CWE-416Published: September 5, 2017· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

An exploitable use-after-free exists in the PDF parsing functionality of Lexmark Perspective Document Filters 11.3.0.2400 and 11.4.0.2452. A crafted PDF document can lead to a use-after-free resulting in direct code execution.

NVD Source

Technical Analysis

CVE-2017-2821 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

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 8.8.

From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.