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Cisco IP Phone 7940 and 7960 with P0S3-08-6-00 firmware, and other SIP firmware before 8.7(0), allows remote attackers to cause a denial of service (device reboot) via (1) a certain sequence of 10 invalid SIP INVITE and OPTIONS messages; or (2) a certain invalid SIP INVITE message that contains a remote tag, followed by a certain set of two related SIP OPTIONS messages.
August 21, 2007
April 23, 2026
See which npm, PyPI, Go, and Maven packages are affected by CVE-2007-4459
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.