Is CVE-2007-4420 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2007-4420, but active exploitation has not been confirmed.

Can CVE-2007-4420 be exploited remotely?

Yes. CVE-2007-4420 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2007-4420?

CVE-2007-4420 has a CVSS score of 9.3 (CRITICAL).

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CRITICALPOC

CVE-2007-4420

CWE-22Published: August 18, 2007· Updated: Jun 16, 2026

9.3

CVSS v3.1

Official Description

Absolute path traversal vulnerability in a certain ActiveX control in officeviewer.ocx 5.1.199.1 in EDraw Office Viewer Component 5.1 allows remote attackers to create or overwrite arbitrary files via a full pathname in the second argument to the HttpDownloadFile method, a different vulnerability than CVE-2007-3168 and CVE-2007-3169.

NVD Source

Technical Analysis

CVE-2007-4420 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

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

A proof-of-concept (PoC) exploit exists for CVE-2007-4420. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.