Vulnerability Details : CVE-2021-34716

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.
Vulnerability category: Execute code
Published 2021-08-18 20:15:07
Updated 2021-08-25 19:01:22
Source Cisco Systems, Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-34716

Probability of exploitation activity in the next 30 days: 0.23%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 61 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-34716

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
9.0
 HIGH AV:N/AC:L/Au:S/C:C/I:C/A:C
8.0
10.0
 nvd@nist.gov
6.7
 MEDIUM CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L
1.2
5.5
 ykramarz@cisco.com
7.2
 HIGH CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
1.2
5.9
 nvd@nist.gov

CWE ids for CVE-2021-34716

References for CVE-2021-34716

Products affected by CVE-2021-34716

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