Is CVE-2008-6658 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2008-6658, but active exploitation has not been confirmed.

Can CVE-2008-6658 be exploited remotely?

Yes. CVE-2008-6658 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2008-6658?

CVE-2008-6658 has a CVSS score of 4.0 (MEDIUM).

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MEDIUMPOC

CVE-2008-6658

CWE-22Published: April 7, 2009· Updated: Jun 16, 2026

4.0

CVSS v3.1

Official Description

Directory traversal vulnerability in index.php in Simple Machines Forum (SMF) 1.0 before 1.0.15 and 1.1 before 1.1.7 allows remote authenticated administrators to install packages from arbitrary directories via a .. (dot dot) in the package parameter during an install2 action, as demonstrated by a predictable package filename in attachments/ that was uploaded through a post2 action to index.php.

NVD Source

Technical Analysis

CVE-2008-6658 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-2008-6658. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.