CVE-2019-1593

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Summary

CVECVE-2019-1593
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-03-06 22:29:00 UTC
Updated2020-10-08 19:29:00 UTC
DescriptionA vulnerability in the Bash shell implementation for Cisco NX-OS Software could allow an authenticated, local attacker to escalate their privilege level by executing commands authorized to other user roles. The attacker must authenticate with valid user credentials. The vulnerability is due to the incorrect implementation of a Bash shell command that allows role-based access control (RBAC) to be bypassed. An attacker could exploit this vulnerability by authenticating to the device and entering a crafted command at the Bash prompt. A successful exploit could allow the attacker to escalate their privilege level by executing commands that should be restricted to other roles. For example, a dev-ops user could escalate their privilege level to admin with a successful exploit of this vulnerability.

Risk And Classification

Problem Types: NVD-CWE-noinfo

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Cisco Nexus 3000 - All All All
Hardware Cisco Nexus 3000 - All All All
Hardware Cisco Nexus 3500 - All All All
Hardware Cisco Nexus 3500 - All All All
Hardware Cisco Nexus 3600 - All All All
Hardware Cisco Nexus 3600 - All All All
Hardware Cisco Nexus 7000 - All All All
Hardware Cisco Nexus 7000 - All All All
Hardware Cisco Nexus 7700 - All All All
Hardware Cisco Nexus 7700 - All All All
Hardware Cisco Nexus 9000 In Aci Mode - All All All
Hardware Cisco Nexus 9000 In Aci Mode - All All All
Hardware Cisco Nexus 9000 In Standalone - All All All
Hardware Cisco Nexus 9000 In Standalone - All All All
Hardware Cisco Nexus 9500 All All All All
Hardware Cisco Nexus 9500 All All All All
Operating System Cisco Nx-os All All All All
Operating System Cisco Nx-os All All All All

References

ReferenceSourceLinkTags
Cisco NX-OS Software Bash Shell Role-Based Access Control Bypass Privilege Escalation Vulnerability CISCO tools.cisco.com Patch, Vendor Advisory
Cisco NX-OS Software Bash Shell CVE-2019-1593 Local Privilege Escalation Vulnerability BID www.securityfocus.com Third Party Advisory, VDB Entry
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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