Vulnerability Details : 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 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.
Vulnerability category: Denial of service
Products affected by CVE-2007-5639
- cpe:2.3:a:nortel:ip_softphone_2050:*:*:*:*:*:*:*:*When used together with: Nortel » Ip Audio Conference Phone 2033When used together with: Nortel » Ip Phone 1110When used together with: Nortel » Ip Phone 1120eWhen used together with: Nortel » Ip Phone 1140eWhen used together with: Nortel » Ip Phone 1150eWhen used together with: Nortel » Ip Phone 2001When used together with: Nortel » Ip Phone 2002When used together with: Nortel » Ip Phone 2004When used together with: Nortel » Wlan Handset 2210When used together with: Nortel » Wlan Handset 2211When used together with: Nortel » Wlan Handset 2212When used together with: Nortel » Wlan Handset 6120When used together with: Nortel » Wlan Handset 6140
- cpe:2.3:a:nortel:mobile_voice_client_2050:*:*:*:*:*:*:*:*When used together with: Nortel » Ip Audio Conference Phone 2033When used together with: Nortel » Ip Phone 1110When used together with: Nortel » Ip Phone 1120eWhen used together with: Nortel » Ip Phone 1140eWhen used together with: Nortel » Ip Phone 1150eWhen used together with: Nortel » Ip Phone 2001When used together with: Nortel » Ip Phone 2002When used together with: Nortel » Ip Phone 2004When used together with: Nortel » Wlan Handset 2210When used together with: Nortel » Wlan Handset 2211When used together with: Nortel » Wlan Handset 2212When used together with: Nortel » Wlan Handset 6120When used together with: Nortel » Wlan Handset 6140
Exploit prediction scoring system (EPSS) score for CVE-2007-5639
1.82%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 88 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2007-5639
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.1
|
HIGH | AV:N/AC:M/Au:N/C:N/I:N/A:C |
8.6
|
6.9
|
NIST |
References for CVE-2007-5639
-
http://www.securityfocus.com/bid/26122
Patch
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http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=654715
Patch
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https://exchange.xforce.ibmcloud.com/vulnerabilities/37253
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http://www.securityfocus.com/archive/1/482480/100/0/threaded
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http://securityreason.com/securityalert/3273
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http://www.csnc.ch/static/advisory/csnc/nortel_IP_phone_flooding_denial_of_service_v1.0.txt
Exploit
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