CVE-2021-34715

Summary

CVE	CVE-2021-34715
State	PUBLIC
Assigner	[email protected]
Source Priority	CVE Program / NVD first with legacy fallback
Published	2021-08-18 20:15:00 UTC
Updated	2023-11-07 03:36:00 UTC
Description	A vulnerability in the image verification function of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated, remote attacker to execute code with internal user privileges on the underlying operating system. The vulnerability is due to insufficient validation of the content of upgrade packages. An attacker could exploit this vulnerability by uploading a malicious archive to the Upgrade page of the administrative web interface. A successful exploit could allow the attacker to execute code with user-level privileges (the _nobody account) on the underlying operating system.

Risk And Classification

Problem Types: CWE-347

NVD Known Affected Configurations (CPE 2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Application	Cisco	Expressway	All	All	All	All
Application	Cisco	Telepresence Video Communication Server	All	All	All	All

References

Reference	Source	Link	Tags
Cisco Expressway Series and TelePresence Video Communication Server Image Verification Vulnerability	CISCO	tools.cisco.com
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

No vendor comments have been submitted for this CVE.

Legacy QID Mappings

38850 Cisco Expressway Series and TelePresence Video Communication Server Image Verification Vulnerability (cisco-sa-ewver-c6WZPXRx)