Nortel SIP Multimedia PC Client 4.x MCS5100 and MCS5200 does not limit the number of concurrent sessions, which allows attackers to cause a denial of service (resource consumption) via a large number of sessions.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Sip_multimedia_pc_client | Nortel | 4.0 (including) | 4.0 (including) |