While the vulnerability lies in the web interface, the "ssh" part of the search query often implies a need for better encrypted management. Ensure you are using for CLI management and HTTPS for web management, rather than the unencrypted Telnet or HTTP. Conclusion
: Unified CM and Unified CM Session Management Edition (SME) Engineering Special. CVE-2024-6387: RegreSSHion (High)
: The most effective mitigation is to apply the security patches released by Cisco. These patches fix the vulnerability in the SSH protocol implementation, preventing exploitation. ssh20cisco125 vulnerability
Cisco has confirmed impact on products including ConfD , Network Services Orchestrator (NSO) , and Ultra Cloud Core .
Cisco's SSH implementation is not a new threat vector; the company has been addressing related vulnerabilities for over two decades. Understanding this history helps contextualize current and future risks. The following table outlines some of the most critical and representative vulnerabilities in recent years. While the vulnerability lies in the web interface,
If you have questions about any of these vulnerabilities or need help evaluating your current security posture, please reach out.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Cisco's SSH implementation is not a new threat
Access information that should be restricted based on their privilege level.
The presence of this specific banner allows attackers to precisely identify the device model and operating system version. This precise fingerprinting enables attackers to tailor their exploitation strategies using known vulnerabilities associated with the specific hardware or firmware version, such as the Cisco LEAP authentication vulnerability (CVE-2003-1091) or other legacy cryptographic weaknesses.
% Key pair was generated at: 00:00:00 UTC Jan 1 2015 Key name: myrouter.cisco.com Storage Device: private-config Usage: General Purpose Key Key Data: Modulus Length (bits): 1000 <--- DANGER Key is not exportable.
Trigger a device reload, which prevents new device authentications during the reboot period. 🛠️ Remediation & Mitigation