CVE-2023-20105: Input Validation
First published: Wed Jun 28 2023(Updated: )
A vulnerability in the change password functionality of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated, remote attacker with Read-only credentials to elevate privileges to Administrator on an affected system. This vulnerability is due to incorrect handling of password change requests. An attacker could exploit this vulnerability by authenticating to the application as a Read-only user and sending a crafted request to the web-based management interface. A successful exploit could allow the attacker to alter the passwords of any user on the system, including an administrative user, and then impersonate that user. Note: Cisco Expressway Series refers to the Expressway Control (Expressway-C) device and the Expressway Edge (Expressway-E) device.
Credit: ykramarz@cisco.com ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco TelePresence Video Communication Server | <=x14.0.3 | |
| Cisco TelePresence Video Communication Server | <=x14.0.3 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this Cisco Expressway and Cisco TelePresence Video Communication Server vulnerability?
The vulnerability ID is CVE-2023-20105.
What is the severity level of CVE-2023-20105?
The severity level of CVE-2023-20105 is critical.
How does this vulnerability affect Cisco Expressway Series and Cisco TelePresence Video Communication Server?
This vulnerability allows an authenticated, remote attacker with Read-only credentials to elevate privileges to Administrator on an affected system.
Which versions of Cisco TelePresence Video Communication Server are affected by CVE-2023-20105?
Cisco TelePresence Video Communication Server versions up to and including x14.0.3 are affected by CVE-2023-20105.
Is there a fix available for CVE-2023-20105?
Yes, Cisco has released a security advisory with remediation steps for CVE-2023-20105. Please refer to the following link for more information: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-priv-esc-Ls2B9t7b
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