Vulnerability in Cisco Telepresence Video Communication Server (Vcs) Expressway
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.012 (68.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressw… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-3596?
- CVE-2020-3596 is a medium-severity vulnerability in Cisco Telepresence Video Communication Server (Vcs) Expressway, classified under CWE-789. CVSS score: 5.9/10. Published 2020-10-08.
- How severe is CVE-2020-3596?
- Medium severity. CVSS v3 base score is 5.9 out of 10.