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.

CVSS v3 7.5 HIGH
CVSS v2.0 7.8 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

7.8^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-vcs-dos-n6xxTMZB	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:cisco:expressway::::::::
	cpe:2.3:a:cisco:telepresence_video_communication_server::::::::

History

No history.

Information

Published : 2020-10-08 05:15

Updated : 2023-12-10 13:41

NVD link : CVE-2020-3596

Mitre link : CVE-2020-3596

CVE.ORG link : CVE-2020-3596

JSON object : View

Products Affected

cisco

expressway
telepresence_video_communication_server

CWE

CWE-670

Always-Incorrect Control Flow Implementation

CWE-789

Memory Allocation with Excessive Size Value

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