7.1high

CVE-2007-5639

The Nortel UNIStim IP Softphone 2050, IP Phone 1140E, and other Nortel IP Phone, Mobile Voice Client, and WLAN Handsets products allow remo…

Published 19 y ago · modified 4 mo ago · JSON

CVSS
7.1
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.8%
percentile 78%
Public exploits
0
none known

Summary

The Nortel UNIStim IP Softphone 2050, IP Phone 1140E, and other Nortel IP Phone, Mobile Voice Client, and WLAN Handsets products allow remote attackers to cause a denial of service (device hang) via a flood of Mute and UnMute messages that have a spoofed source IP address for the Signaling Server.

Exploit prediction (EPSS)

1.79% probability of exploitation in the next 30 days, higher than 78% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD2.07.1AV:N/AC:M/Au:N/C:N/I:N/A:C

References

  • csnc.ch /static/advisory/csnc/nortel_IP_phone_flooding_denial_of_service_v1.0.txt · x_refsource_MISC, x_transferred
  • securityreason.com /securityalert/3273 · third-party-advisory, x_refsource_SREASON, x_transferred
  • securityfocus.com /archive/1/482480/100/0/threaded · mailing-list, x_refsource_BUGTRAQ, x_transferred
  • securityfocus.com /bid/26122 · vdb-entry, x_refsource_BID, x_transferred
  • exchange.xforce.ibmcloud.com /vulnerabilities/37253 · vdb-entry, x_refsource_XF, x_transferred
  • support.nortel.com /go/main.jsp?cscat=BLTNDETAIL&id=654715 · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.