5.0med

CVE-2008-1618

The PPTP VPN service in Watchguard Firebox before 10, when performing the MS-CHAPv2 authentication handshake, generates different error cod…

Published 18 y ago · modified 4 mo ago · JSON

CVSS
5.0
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.7%
percentile 78%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

1.74% probability of exploitation in the next 30 days, higher than 78% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD2.05.0AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

  • mwrinfosecurity.com /publications/mwri_watchguard-firebox-pptp-vpn-user-enumeration-advisory_2008-04-04.pdf · x_refsource_MISC, x_transferred
  • osvdb.org /44218 · vdb-entry, x_refsource_OSVDB, x_transferred
  • vupen.com /english/advisories/2008/1152/references · vdb-entry, x_refsource_VUPEN, x_transferred
  • securityfocus.com /bid/28619 · vdb-entry, x_refsource_BID, x_transferred
  • exchange.xforce.ibmcloud.com /vulnerabilities/41683 · vdb-entry, x_refsource_XF, x_transferred
  • secunia.com /advisories/29708 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • securitytracker.com /id?1019796 · vdb-entry, x_refsource_SECTRACK, x_transferred

Sources

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