A critical security vulnerability has been identified in Ciscos Catalyst Center Virtual Appliance, allowing attackers with low-level access to gain complete administrative control over affected systems. The flaw, officially designated CVE-2025-20341, poses a significant risk to organizations relying on these systems for network management and monitoring, boasting a high severity rating with a CVSS score of 8.8.
The breach originates from insufficient input validation within the appliances web interface. When users submit data via web requests, the software fails to adequately verify the information received. This oversight creates a pathway for malicious actors to craft specialized HTTP requests, tricking the system into granting them elevated privileges, potentially leading to extensive network compromise.
Understanding the Cisco Catalyst Center Vulnerability
This vulnerability is particularly concerning because an attacker does not require advanced access to exploit it. Individuals with Observer role permissions, typically restricted to viewing system information, can leverage this flaw to escalate their privileges to the Administrator level. Once administrative access is achieved, perpetrators can establish new user accounts, alter critical system configurations, and execute other unauthorized actions that undermine the entire network infrastructure’s security.
According to Cisco, its security researchers discovered the vulnerability while addressing a support case. The company has reported that no public exploits have been observed to date. This provides organizations with a crucial window of opportunity to implement patches and safeguard their systems before widespread attacks commence.
Technical Details and Mitigation Strategies
The vulnerability specifically affects Cisco Catalyst Center Virtual Appliance versions 2.3.7.3-VA and subsequent releases. The security flaw is rooted in inadequate validation mechanisms that process user-supplied input through HTTP requests. When the system encounters these specifically crafted requests, it fails to properly sanitize the data before executing privilege escalation operations.
Cisco has released version 2.3.7.10-VA as the patched version that rectifies this security issue. It is imperative for organizations running the vulnerable versions to upgrade immediately to this fixed release. The company has explicitly stated that no workarounds are available, making the software update the sole effective method for protection against this specific Cisco Catalyst Center vulnerability.
It is important to note that hardware appliances and virtual appliances deployed on AWS are not impacted by this particular vulnerability.
| CVE ID | CVSS Score | Affected Product | Vulnerable Versions | Fixed Version | Attack Vector |
| CVE-2025-20341 | 8.8 (High) | Cisco Catalyst Center Virtual Appliance (VMware ESXi) | 2.3.7.3-VA and later | 2.3.7.10-VA | Network (Remote) |
The discovery of CVE-2025-20341 underscores the ongoing need for robust network security practices, including diligent patching and regular security audits. Organizations are advised to monitor Cisco’s official security advisories for any further updates or related information concerning this Cisco Catalyst Center vulnerability.

