CVE-2019-1731: Cisco NX-OS Software SSH Key Information Disclosure Vulnerability

Security readout for executives and security teams

This issue can make a private SSH key visible to other authenticated users on a Cisco NX-OS device. It requires an attacker who already has valid administrator credentials, so the main business risk is insider misuse or post-compromise expansion after an admin account is abused. Exposure is limited to Cisco NX-OS Software devices where administrators use SSH key import or export workflows. The provided bundle does not identify affected versions, so teams must validate devices against Cisco's advisory. Treat as moderate priority unless NX-OS administrator accounts are broadly shared or weakly monitored. The issue needs remediation planning because private key disclosure can enable durable access beyond the affected device. Mitigation focus: Check Cisco's advisory for affected and fixed NX-OS releases.; Apply Cisco-provided fixed software or vendor guidance where applicable.; Restrict NX-OS administrator access to trusted, monitored personnel..

Prepared

Jun 1, 2026, 04:38 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.