There is no official vulnerability record or CVE known as "." This identifier appears to be a specific string used in vulnerability scanner results (such as Qualys , Tenable/Nessus , or Rapid7 ) to flag that a Cisco device is running SSH version 1.25 or is susceptible to a specific SSH protocol-level flaw.
In 2001, security researchers discovered a "catastrophic" flaw in SSH version 1.5 (used in Cisco’s 1.25 implementation). It wasn't just a bug; it was a fundamental weakness in how the protocol handled session keys. A remote attacker could insert arbitrary commands ssh20cisco125 vulnerability
If you manage a Cisco 2500 WLC running an AireOS version older than 8.5.160.0 or 8.8.120.0, upgrade immediately or restrict SSH access to trusted management hosts. ssh20cisco125 There is no official vulnerability record or