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CVE-2020-3596

Cisco Expressway Series and TelePresence Video Communication Server Denial of Service Vulnerability

Published: Oct 8, 2020Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-789
5.9MEDIUM
NVD MITRE
EPSS Score
1.2%
Top 34.0%
CISA KEV
Not in KEV
Exploits
0 Known
Remediation
Patch Available
Self-Check
OpenVAS

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-789CWE-670

Affected Products

Cisco Systems Inc.
commercial·USaka Cisco, cisco systems
Cisco TelePresence Video Communication Server (VCS) Expressway
Networking Infrastructure
Cisco Expressway
Networking Infrastructure
TelePresence Video Communication Server
Networking Infrastructure
expressway
Networking Infrastructure
and 1 more affected products View all →

Exploitability

0 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-vcs-dos-n6xxTMZB
tools.cisco.com
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-vcs-dos-n6xxTMZB
tools.cisco.com
https://nvd.nist.gov/vuln/detail/CVE-2020-3596
nvd.nist.gov
and 1 more references View all →

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