Vulnerability Description
A vulnerability in the web-based management interface of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated, remote attacker to execute arbitrary code on the underlying operating system as the root user. This vulnerability is due to incorrect handling of certain crafted software images that are uploaded to the affected device. An attacker could exploit this vulnerability by authenticating to the system as an administrative user and then uploading specific crafted software images to the affected device. A successful exploit could allow the attacker to execute arbitrary code on the underlying operating system as the root user.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Expressway | >= x8.6.0, < x14.1 |
| Cisco | Telepresence Video Communication Server | >= x8.6, <= x14.0.3 |
Related Weaknesses (CWE)
References
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ePatchVendor Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ePatchVendor Advisory
FAQ
What is CVE-2021-34716?
CVE-2021-34716 is a vulnerability with a CVSS score of 6.7 (MEDIUM). A vulnerability in the web-based management interface of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated, remote attacker to execute arbitr...
How severe is CVE-2021-34716?
CVE-2021-34716 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-34716?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Expressway, Cisco Telepresence Video Communication Server.