Cisco NX-OS Software Access Control Error Vulnerability (CNVD-2025-01388)

Cisco NX-OS Software is a set of data center-grade operating system software for switches from the U.S. company Cisco Cisco. The Cisco NX-OS Software suffers from an Access Control Error vulnerability, which arises from an insecure bootloader setting, and can be exploited by an attacker to bypass...

Cisco Releases Security Updates for NX-OS Software

Cisco released security updates to address a vulnerability in Cisco NX-OS software. A cyber threat actor could exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review the following advisory and apply the necessary updates: Cisco NX-OS...

CVE-2024-20397

A vulnerability in the bootloader of Cisco NX-OS Software could allow an unauthenticated attacker with physical access to an affected device, or an authenticated, local attacker with administrative credentials, to bypass NX-OS image signature verification. This vulnerability is due to insecure...

CVE-2024-20397 Cisco NX-OS Software Image Verification Bypass Vulnerability

A vulnerability in the bootloader of Cisco NX-OS Software could allow an unauthenticated attacker with physical access to an affected device, or an authenticated, local attacker with administrative credentials, to bypass NX-OS image signature verification. This vulnerability is due to insecure...

CVE-2024-20397

Cisco NX-OS Software is affected by a bootloader vulnerability (CVE-2024-20397) that allows bypassing image signature verification. The issue stems from insecure bootloader settings and can be exploited by executing bootloader commands to load unverified software. Attacker access requirements: un...

CVE-2024-20397 Cisco NX-OS Software Image Verification Bypass Vulnerability

A vulnerability in the bootloader of Cisco NX-OS Software could allow an unauthenticated attacker with physical access to an affected device, or an authenticated, local attacker with administrative credentials, to bypass NX-OS image signature verification. This vulnerability is due to insecure...

Cisco NX-OS Software Image Verification Bypass Vulnerability

A vulnerability in the bootloader of Cisco NX-OS Software could allow an unauthenticated attacker with physical access to an affected device, or an authenticated, local attacker with administrative credentials, to bypass NX-OS image signature verification. This vulnerability is due to insecure...

Cisco NX-OS Resource Management Errors (CVE-2015-6308)

Cisco NX-OS 6.02U60.46 on N3K devices allows remote authenticated users to cause a denial of service temporary SNMP outage via an SNMP request for an OID that does not exist, aka Bug ID CSCuw36684. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot fo...

Cisco NX-OS Improper Input Validation (CVE-2017-12336)

A vulnerability in the TCL scripting subsystem of Cisco NX-OS System Software could allow an authenticated, local attacker to escape the interactive TCL shell and gain unauthorized access to the underlying operating system of the device. The vulnerability exists due to insufficient input validati...

Cisco NX-OS 4.2, 5.0, 5.1, and 5.2 Denial of Service (CVE-2012-2469)

Cisco NX-OS 4.2, 5.0, 5.1, and 5.2 on Nexus 7000 series switches, when the High Availability HA policy is configured for Reset, allows remote attackers to cause a denial of service device reset via a malformed Cisco Discovery Protocol CDP packet, aka Bug IDs CSCtk34535 and CSCtk19132. This plugin...

Cisco NX-OS Permissions, Privileges, and Access Controls (CVE-2012-4141)

Directory traversal vulnerability in the CLI parser in Cisco NX-OS allows local users to create arbitrary script files via a relative pathname in the file name parameter, aka Bug IDs CSCua71557 and CSCua71551. This plugin only works with Tenable.ot. Please visit...

Cisco NX-OS Path Traversal (CVE-2012-4135)

Directory traversal vulnerability in filesys in Cisco NX-OS 6.12 and earlier allows local users to access arbitrary files via crafted command-line arguments during a delete action, aka Bug IDs CSCty07270, CSCty07271, CSCty07273, and CSCty07275. This plugin only works with Tenable.ot. Please visit...

Cisco NX-OS Improper Input Validation (CVE-2012-4091)

The RIP service engine in Cisco NX-OS allows remote attackers to cause a denial of service engine restart via a malformed 1 RIPv4 or 2 RIPv6 message, aka Bug ID CSCtj73415. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information...

Cisco NX-OS Improper Input Validation (CVE-2013-6982)

The BGP implementation in Cisco NX-OS 6.22a and earlier does not properly handle the interaction of UPDATE messages with IPv6, VPNv4, and VPNv6 labeled unicast-address families, which allows remote attackers to cause a denial of service peer reset via a crafted message, aka Bug ID CSCuj03174. Thi...

Cisco NX-OS Permissions, Privileges, and Access Controls (CVE-2015-4234)

Cisco NX-OS 6.02 and 6.22 on Nexus devices has an improper OS configuration, which allows local users to obtain root access via unspecified input to the Python interpreter, aka Bug IDs CSCun02887, CSCur00115, and CSCur00127. This plugin only works with Tenable.ot. Please visit...

Cisco NX-OS Path Traversal (CVE-2012-4131)

Directory traversal vulnerability in tar in Cisco NX-OS allows local users to access arbitrary files via crafted command-line arguments, aka Bug IDs CSCty07157, CSCty07159, CSCty07162, and CSCty07164. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot...

Cisco Unified Computing System Unrestricted Upload of File with Dangerous Type (CVE-2017-12332)

A vulnerability in Cisco NX-OS System Software patch installation could allow an authenticated, local attacker to write a file to arbitrary locations. The vulnerability is due to insufficient restrictions in the patch installation process. An attacker could exploit this vulnerability by installin...

Cisco NX-OS Permissions, Privileges, and Access Controls (CVE-2016-1341)

Cisco NX-OS 7.01N11, 7.01N13, and 7.04N11 on Nexus 2000 Fabric Extender devices has a blank root password, which allows local users to gain privileges via unspecified vectors, aka Bug ID CSCur22079. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot f...

Cisco Unified Computing System Command Injection (CVE-2017-12341)

A vulnerability in the CLI of Cisco NX-OS System Software could allow an authenticated, local attacker to perform a command injection attack. An attacker would need valid administrator credentials to perform this exploit. The vulnerability is due to insufficient input validation during the...

Cisco NX-OS Resource Management Errors (CVE-2015-6394)

The kernel in Cisco NX-OS 5.29N11 on Nexus 5000 devices allows local users to cause a denial of service device crash via crafted USB parameters, aka Bug ID CSCus89408. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information...