SB2020101308 - Denial of service in Cisco Expressway Series and TelePresence Video Communication Server
Published: October 13, 2020
Security Bulletin ID
SB2020101308
CSH Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Uncontrolled Memory Allocation (CVE-ID: CVE-2020-3596)
CWE-ID: CWE-789 - Uncontrolled Memory Allocation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect handling of incoming Session Initiation Protocol (SIP) traffic. A remote attacker can send a series of SIP packets and cause a DoS condition.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.