CVE-2008-1897 — Improper Authentication in Asterisk
Severity
4.3MEDIUMNVD
EPSS
3.0%
top 13.30%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedApr 23
Latest updateMay 1
Description
The IAX2 channel driver (chan_iax2) in Asterisk Open Source 1.0.x, 1.2.x before 1.2.28, and 1.4.x before 1.4.19.1; Business Edition A.x.x, B.x.x before B.2.5.2, and C.x.x before C.1.8.1; AsteriskNOW before 1.0.3; Appliance Developer Kit 0.x.x; and s800i before 1.1.0.3, when configured to allow unauthenticated calls, does not verify that an ACK response contains a call number matching the server's reply to a NEW message, which allows remote attackers to cause a denial of service (traffic amplific…
CVSS vector
AV:N/AC:M/C:N/I:N/A:PExploitability: 8.6 | Impact: 2.9