Vulnerability CVE-2002-0669
Published: 2003-02-19   Modified: 2012-02-12

Description:
The web interface for Pingtel xpressa SIP-based voice-over-IP phone 1.2.5 through 1.2.7.4 allows administrators to cause a denial of service by modifying the SIP_AUTHENTICATE_SCHEME value to force authentication of incoming calls, which does not notify the user when an authentication failure occurs.

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Pingtel -> Xpressa 

 References:
http://www.atstake.com/research/advisories/2002/a071202-1.txt
http://www.iss.net/security_center/static/9564.php
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