CVE-2024-20446

A vulnerability in the DHCPv6 relay agent of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper handling of specific fields in a DHCPv6 RELAY-REPLY message. An attacker could...

CVE-2024-20321

A vulnerability in the External Border Gateway Protocol eBGP implementation of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability exists because eBGP traffic is mapped to a shared hardware...

Cisco NX-OS Software Image Verification Bypass (cisco-sa-nxos-image-sig-bypas-pQDRQvjL)

According to its self-reported version, the remote device is affected by a 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...

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 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...

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 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-2012-4121)

Cisco NX-OS allows local users to gain privileges, and read or modify arbitrary files, via the sed 1 r and 2 w commands, aka Bug IDs CSCts56559, CSCts56565, CSCts56570, and CSCts56574. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more...

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 Restriction of Operations within the Bounds of a Memory Buffer (CVE-2016-1453)

Buffer overflow in the Overlay Transport Virtualization OTV GRE feature in Cisco NX-OS 5.0 through 7.3 on Nexus 7000 and 7700 devices allows remote attackers to execute arbitrary code via long parameters in a packet header, aka Bug ID CSCuy95701. This plugin only works with Tenable.ot. Please vis...

Cisco NX-OS Improper Input Validation (CVE-2014-0677)

The Label Distribution Protocol LDP functionality in Cisco NX-OS allows remote attackers to cause a denial of service temporary LDP session outage via LDP discovery traffic containing malformed Hello messages, aka Bug ID CSCul88851. This plugin only works with Tenable.ot. Please visit...

Cisco NX-OS Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2012-1357)

The igmpsnooporibfillsourceupdate function in the IGMP process in NX-OS 5.0 and 5.1 on Cisco Nexus 5000 series switches allows remote attackers to cause a denial of service device reload via IGMP packets, aka Bug ID CSCts46521. 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 Verification of Cryptographic Signature (CVE-2017-12331)

A vulnerability in Cisco NX-OS System Software could allow an authenticated, local attacker to bypass signature verification when loading a software patch. The vulnerability is due to insufficient NX- OS signature verification for software patches. An authenticated, local attacker could exploit...

Cisco NX-OS Improper Input Validation (CVE-2012-4122)

The CLI parser in Cisco NX-OS allows local users to bypass intended access restrictions, and overwrite or create arbitrary files, via shell output redirection, aka Bug IDs CSCts56672 and CSCts56669. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot f...