VulnerabilityModified
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…
MEDIUM 5.0EPSS 1.74%
Does this matter?
Lower severity and a low EPSS score (1.74%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
- EPSS
- 1.74% probability · 76th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- watchguard/firebox pptp vpn
- Source
- cve@mitre.org
References
- http://secunia.com/advisories/29708Vendor Advisory
- http://www.mwrinfosecurity.com/publications/mwri_watchguard-firebox-pptp-vpn-user-enumeration-advisory_2008-04-04.pdfExploit, Patch
- 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/referencesVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/41683
- http://secunia.com/advisories/29708Vendor Advisory
- http://www.mwrinfosecurity.com/publications/mwri_watchguard-firebox-pptp-vpn-user-enumeration-advisory_2008-04-04.pdfExploit, Patch
- 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/referencesVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/41683
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.