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Cisco has identified a remote code execution vulnerability (CVE-2024-20253) within several of its Communication Manager and Contact Center solutions products. Cisco has rated this as a Critical Vulnerability with a CVSS base score of 9.9/10. Due to the improper processing of user provided data into memory, an attacker can exploit this vulnerability by sending a specifically crafted message to a listening port on the affected device. This can lead to Remote Code Execution and could result in the attacker gaining root access.
If a malicious user created a specially crafted message to a listening port, they could potentially send arbitrary commands to gain root access. This could lead to a loss of CIA (confidentiality, integrity, and availability.)
Affected Products:
To remediate this vulnerability, Cisco has advised updating to the latest versions of its software.
Currently this exploit has not been used in the wild but could lead to severe implications if left unchecked. Gaining root access to a system can lead to a loss in CIA (Confidentiality, Integrity, and Availability) as a result leading to a loss in reputation, revenue, and data. Gaining root access is the highest level of privilege barring having the device physically. Remediation and incident response efforts will be costly and depending on the device which is affected, could be devastating to day-to-day business operations.
Update Cisco Solutions: Patches are available from Cisco for remediation
Chapter: Operating System and Security Hardening - Contains sections on the security features within, audit logs, determining policy, etc.
Chapter: Unified Contact Center Security Wizard - Contains sections on Cisco's security wizard, Firewall configuration, SQL Hardening, etc.
https://nvd.nist.gov/vuln/detail/CVE-2023-20253
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