CVE-2008-1618

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5 UNKNOWN
NETWORK
LOW
AV:N/AC:L/Au:N/C:P/I:N/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 68%
VendorProductVersion
watchguardfirebox_pptp_vpn
4.9
watchguardfirebox_pptp_vpn
5.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
http://secunia.com/advisories/29708
http://www.mwrinfosecurity.com/publications/mwri_watchguard-firebox-pptp-vpn-user-enumeration-advisory_2008-04-04.pdf
http://www.osvdb.org/44218
http://www.securityfocus.com/bid/28619
http://www.securitytracker.com/id?1019796
http://www.vupen.com/english/advisories/2008/1152/references
https://exchange.xforce.ibmcloud.com/vulnerabilities/41683
http://secunia.com/advisories/29708
http://www.mwrinfosecurity.com/publications/mwri_watchguard-firebox-pptp-vpn-user-enumeration-advisory_2008-04-04.pdf
http://www.osvdb.org/44218
http://www.securityfocus.com/bid/28619
http://www.securitytracker.com/id?1019796
http://www.vupen.com/english/advisories/2008/1152/references
https://exchange.xforce.ibmcloud.com/vulnerabilities/41683