Cisco Expressway Series and TelePresence Video Communication Server Denial of Service Vulnerability
CVE-2020-3596

5.9MEDIUM

Key Information:

Vendor

Cisco
Status
Cisco Telepresence Video Communication Server (vcs) Expressway
Vendor
CVE Published:
8 October 2020

Badges

👾 Exploit Exists

What is CVE-2020-3596?

A vulnerability in the Session Initiation Protocol (SIP) of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to incorrect handling of incoming SIP traffic. An attacker could exploit this vulnerability by sending a series of SIP packets to an affected device. A successful exploit could allow the attacker to exhaust memory on an affected device, causing it to crash and leading to a DoS condition.

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Affected Version(s)

Cisco TelePresence Video Communication Server (VCS) Expressway

References

https://tools.cisco.com/security/center/content/CiscoSecu...
vendor-advisoryx_refsource_CISCO

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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