Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.

CVE-2008-1618 Details

Description

The PPTP VPN service in Watchguard Firebox before 10, when performing the MS-CHAPv2 authentication handshake, generates different error codes depending on whether the username is valid or invalid, which allows remote attackers to enumerate valid usernames.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
http://secunia.com/advisories/29708	CVE	Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/41683	CVE
http://www.mwrinfosecurity.com/publications/mwri_watchguard-firebox-pptp-vpn-user-enumeration-advisory_2008-04-04.pdf	CVE	ExploitPatch
http://www.osvdb.org/44218	CVE
http://www.securityfocus.com/bid/28619	CVE
http://www.securitytracker.com/id?1019796	CVE
http://www.vupen.com/english/advisories/2008/1152/references	CVE	Vendor Advisory
http://secunia.com/advisories/29708	[email protected]	Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/41683	[email protected]
http://www.mwrinfosecurity.com/publications/mwri_watchguard-firebox-pptp-vpn-user-enumeration-advisory_2008-04-04.pdf	[email protected]	ExploitPatch
http://www.osvdb.org/44218	[email protected]
http://www.securityfocus.com/bid/28619	[email protected]
http://www.securitytracker.com/id?1019796	[email protected]
http://www.vupen.com/english/advisories/2008/1152/references	[email protected]	Vendor Advisory

see all 14 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-200	Exposure of Sensitive Information to an Unauthorized Actor	[email protected]

Affected Products

Product	Versions
watchguard firebox pptp vpn	4.9 5.0
CPE cpe:2.3:a:watchguard:firebox_pptp_vpn:4.9:::::::* cpe:2.3:a:watchguard:firebox_pptp_vpn:5.0:::::::* Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 23, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Aug 8, 2017	CVE Modified	[email protected]
Apr 8, 2008	Initial Analysis	[email protected]