SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2007-4455

The SIP channel driver (chan_sip) in Asterisk Open Source 1.4.x before 1.4.11, AsteriskNOW before beta7, Asterisk Appliance Developer Kit 0.x before 0.8.0, and s800i (Asterisk Appliance) 1.x before 1.0.3 allows remote attackers to cause a denial of…

MEDIUM 5.0EPSS 1.77%

Does this matter?

Lower severity and a low EPSS score (1.77%). Track it; it rarely justifies an emergency change on its own.

Description

The SIP channel driver (chan_sip) in Asterisk Open Source 1.4.x before 1.4.11, AsteriskNOW before beta7, Asterisk Appliance Developer Kit 0.x before 0.8.0, and s800i (Asterisk Appliance) 1.x before 1.0.3 allows remote attackers to cause a denial of service (memory exhaustion) via a SIP dialog that causes a large number of history entries to be created.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS
1.77% probability · 77th percentile
CISA KEV
Not listed
Affected
asterisk/asterisk · asterisk/asterisk appliance developer kit · asterisk/asterisknow
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.