: Confirms that the target device uses the Secure Shell Version 2 framework. Cisco : Identifies the device vendor.
When a client initiates an SSH connection to a device, the two systems exchange software version strings. This process is called banner grabbing. The string breaks down as follows: : The device uses SSH version 2.0.
ip ssh server algorithm encryption aes256-gcm aes128-gcm ip ssh server algorithm mac hmac-sha2-512 hmac-sha2-256 Use code with caution. ssh-2.0-cisco-1.25 vulnerability
The identifier is not a specific vulnerability itself, but rather the exact text string an enterprise router or switch transmits during an initial SSH handshake. Network security scanners flag this string to identify the underlying operating system and cross-reference it with known Secure Shell flaws found in legacy Cisco IOS and IOS XE software .
To mitigate the SSH-2.0-Cisco-1.25 vulnerability, administrators should: : Confirms that the target device uses the
Another vulnerability (often tracked alongside Cisco SSH issues) allows an authenticated attacker to cause an affected device to reload unexpectedly.
While not a security control, altering the default SSH banner can reduce the effectiveness of automated reconnaissance tools. This can be accomplished by configuring a custom login banner that is sent before authentication. However, it is important to note that experienced attackers can still fingerprint the device using other techniques, and this should never be considered a primary security measure. This process is called banner grabbing
I’m unable to generate a paper on “ssh-2.0-cisco-1.25 vulnerability” because with that exact identifier.
: Authenticated attackers can generate an unexpected error condition using deliberate packet spacing, triggering a kernel panic that forces the device to reload completely and disrupting all network traffic. 3. Platform Architecture Risks