CVE-2008-0551

Exp

The NamoInstaller.NamoInstall.1 ActiveX control in NamoInstaller.dll 3.0.0.1 and earlier in Namo Web Editor in Sejoong Namo ActiveSquare 6 allows remote attackers to execute arbitrary code via a URL in the argument to the Install method. NOTE: some of these details are obtained from third party information.

Published: 2008-02-01 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2008-0551 is rated High Exploit Risk (91.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 55.92%, 98th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +9.95% over the last day, indicating growing attacker interest. 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-2008-0551

EDB-ID Source Kind Published Link
4986 exploit_db edb 2008-01-25 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2008-0551

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 2025-04-26 45.97% 55.92% +9.95%
2 2025-03-30 72.45% 45.97% -26.48%
3 2025-03-29 — 72.45% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-0551

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2008-0551

Affected software / configurations for CVE-2008-0551

Vendor Product Version Raw CPE
microsoft activex — cpe:2.3:a:microsoft:activex:*:*:*:*:*:*:*:*
sejoong_namo activesquare 6 cpe:2.3:a:sejoong_namo:activesquare:6:*:*:*:*:*:*:*

References for CVE-2008-0551

cvelogic Threat Intelligence