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The remote device is missing a vendor-supplied security patch.
A vulnerability exists in the Session Initiation Protocol (SIP)
implementation in Cisco IOS Software that could allow an
unauthenticated attacker to cause a denial of service (DoS) condition
on an affected device when the Cisco Unified Border Element feature is
Cisco has released free software updates that address this
vulnerability. For devices that must run SIP there are no workarounds
however, mitigations are available to limit exposure of the
See also :
Apply the relevant patch referenced in Cisco Security Advisory
Risk factor :
High / CVSS Base Score : 7.8
CVSS Temporal Score : 6.4
Public Exploit Available : true
Nessus Plugin ID: 49046 (cisco-sa-20090923-siphttp.nasl)
Bugtraq ID: 36499
CVE ID: CVE-2009-2870
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