The NeffyLauncher 1.0.5 ActiveX control (NeffyLauncher.dll) in CDNetworks Nefficient Download uses weak cryptography for a KeyCode that blo…

Published 18 y ago 2008-04-18 · modified 4 mo ago 2026-06-16 · JSON

CVSS

7.5

v2.0 · NVD

CISA KEV

not known exploited

EPSS

6.7%

percentile 94%

Public exploits

Exploit-DB

The NeffyLauncher 1.0.5 ActiveX control (NeffyLauncher.dll) in CDNetworks Nefficient Download uses weak cryptography for a KeyCode that blocks unauthorized use of the control, which allows remote attackers to bypass this protection mechanism by calculating the required KeyCode. NOTE: this can be used by arbitrary web sites to host exploit code that targets this control.

Exploit prediction (EPSS)

6.66% probability of exploitation in the next 30 days, higher than 94% of all scored CVEs.

Exploits and detections

EDB-5397 CDNetworks Nefficient Download - 'NeffyLauncher.dll' Code Execution · remote · 2008-04-07

CVSS scores

Assigned by	Version	Score	Vector
NVD	2.0	7.5	`AV:N/AC:L/Au:N/C:P/I:P/A:P`

Classification

Weakness

CWE-310 Cryptographic Issues

References

exchange.xforce.ibmcloud.com /vulnerabilities/41933 · vdb-entry, x_refsource_XF, x_transferred
seclists.org /bugtraq/2008/Apr/0065.html · mailing-list, x_refsource_BUGTRAQ, x_transferred
securityfocus.com /bid/28666 · vdb-entry, x_refsource_BID, x_transferred
exploit-db.com /exploits/5397 · exploit, x_refsource_EXPLOIT-DB, x_transferred

Sources

CVE List: CVE-2008-1886
NVD: CVE-2008-1886

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.