CVE-2008-6658

Exp

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.

Published: 2009-04-07 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2008-6658 is rated High Exploit Risk (62.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.28%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2008-6658

EDB-ID Source Kind Published Link
6993 exploit_db edb 2008-11-04 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2008-6658

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-28 2.58% 3.28% +0.70%
2 2026-04-07 2.38% 2.58% +0.20%
3 2025-12-19 — 2.38% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-6658

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.0 2.9 [email protected]

Weakness enumeration for CVE-2008-6658

Affected software / configurations for CVE-2008-6658

Vendor Product Version Raw CPE
simple_machines simple_machines_forum 1.0.5 cpe:2.3:a:simple_machines:simple_machines_forum:1.0.5:*:*:*:*:*:*:*
simple_machines simple_machines_forum 1.0.6 cpe:2.3:a:simple_machines:simple_machines_forum:1.0.6:*:*:*:*:*:*:*
simple_machines simple_machines_forum 1.0.7 cpe:2.3:a:simple_machines:simple_machines_forum:1.0.7:*:*:*:*:*:*:*
simple_machines simple_machines_forum 1.0.11 cpe:2.3:a:simple_machines:simple_machines_forum:1.0.11:*:*:*:*:*:*:*
simple_machines simple_machines_forum 1.0.12 cpe:2.3:a:simple_machines:simple_machines_forum:1.0.12:*:*:*:*:*:*:*
simple_machines simple_machines_forum 1.1.1 cpe:2.3:a:simple_machines:simple_machines_forum:1.1.1:*:*:*:*:*:*:*
simple_machines simple_machines_forum 1.1.2 cpe:2.3:a:simple_machines:simple_machines_forum:1.1.2:*:*:*:*:*:*:*
simple_machines simple_machines_forum 1.1.3 cpe:2.3:a:simple_machines:simple_machines_forum:1.1.3:*:*:*:*:*:*:*
simple_machines simple_machines_forum 1.1.4 cpe:2.3:a:simple_machines:simple_machines_forum:1.1.4:*:*:*:*:*:*:*
simple_machines simple_machines_forum 1.1.5 cpe:2.3:a:simple_machines:simple_machines_forum:1.1.5:*:*:*:*:*:*:*
simple_machines simple_machines_forum 1.1.6 cpe:2.3:a:simple_machines:simple_machines_forum:1.1.6:*:*:*:*:*:*:*
simple_machines simple_machines_forum 1.1_rc1 cpe:2.3:a:simple_machines:simple_machines_forum:1.1_rc1:*:*:*:*:*:*:*
simple_machines simple_machines_forum 1.1_rc2 cpe:2.3:a:simple_machines:simple_machines_forum:1.1_rc2:*:*:*:*:*:*:*
simple_machines simple_machines_forum 1.1_rc3 cpe:2.3:a:simple_machines:simple_machines_forum:1.1_rc3:*:*:*:*:*:*:*

References for CVE-2008-6658

cvelogic Threat Intelligence