The SSH-2-Cisco-125 vulnerability affects specific Cisco devices, including:
Formulate an active patch deployment roadmap. Obtain cryptographically verified software upgrade bundles directly through authorized vendor maintenance portals to fully eliminate underlying code flaws. Conclusion
Specifically, any device running a release of IOS that had the SSH server enabled and was configured to use TACACS+ for authentication was vulnerable. Devices running 12.3 mainline (non-T) were not vulnerable, despite supporting SSH. ssh20cisco125 vulnerability
In the world of enterprise networking, few things send shivers down an administrator's spine faster than the phrase "critical vulnerability in Cisco IOS." Late in 2023, the security community was rocked by the disclosure of a severe vulnerability tracked as , which has since become colloquially associated with the search term "ssh20cisco125" due to its impact on SSH interfaces and specific hardware series.
ssh-audit <cisco-ip> | grep -i "modulus" Devices running 12
Since past sessions could have been decrypted, assume all credentials are compromised.
In many cases, there are no viable workarounds to address this vulnerability without patching the software. In many cases, there are no viable workarounds
The attack requires no username or password, making it accessible to any threat actor with network access to the device.