Vulnerability in Cisco Meeting Server
CVE-2021-40122
A vulnerability in an API of the Call Bridge feature of Cisco Meeting Server could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper handling of large series of message requests. An attacker could exploit this vulnerability by sending a series of messages to the vulnerable API. A successful exploit could allow the attacker to cause the affected device to reload, dropping all ongoing calls and resulting in 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 (66.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.0% 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-cms-LAHe… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-40122?
- CVE-2021-40122 is a medium-severity vulnerability in Cisco Meeting Server, classified under CWE-399. CVSS score: 5.9/10. Published 2021-10-21.
- How severe is CVE-2021-40122?
- Medium severity. CVSS v3 base score is 5.9 out of 10.