CVE-2015-0658
HighSummary
The DHCP implementation in the PowerOn Auto Provisioning (POAP) feature in Cisco NX-OS does not properly restrict the initialization process, allowing remote attackers to execute arbitrary commands as root by sending crafted response packets on the local network.
Risk Assessment
Attackers can gain full access to the system, posing a serious threat to the organization's security and its resources.
Recommendation
It is recommended to update Cisco NX-OS to the latest version to patch this vulnerability and to monitor network traffic for potential attacks.
Other vulnerabilities in Cisco NX-OS
See all- CVE-2016-1455High
Cisco NX-OS versions before 7.0(3)I2(2e) and 7.0(3)I4 before 7.0(3)I4(1) have an incorrect iptables local-interface configuration, allowing remote attackers to obtain sensitive information via TCP or UDP traffic.
- CVE-2015-4234High
Cisco NX-OS versions 6.0(2) and 6.2(2) on Nexus devices has an improper OS configuration, allowing local users to obtain root access via unspecified input to the Python interpreter.
- CVE-2026-76459Critical
A vulnerability in Cisco NX-OS discovered during internal security review concerns out-of-bounds write (CWE-787). It is fixed in a software hardening release.
- CVE-2024-20399MediumActively exploited
A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated user with Administrator credentials to execute arbitrary commands as root on the underlying operating system. This is due to insufficient validation of arguments passed to specific configuration CLI commands.
- CVE-2026-76458High
A vulnerability in Cisco NX-OS found during security review concerns improper handling of exceptional conditions (CWE-703). It is addressed in a software hardening release.
- CVE-2026-76457High
A vulnerability in Cisco NX-OS discovered during internal security review concerns out-of-bounds read (CWE-125). It is fixed in a software hardening release.
- CVE-2026-76456High
A vulnerability in Cisco NX-OS discovered during security review concerns improper input validation of special elements in a command (CWE-20). It is addressed in a software hardening release.
- CVE-2026-76453High
A vulnerability in Cisco NX-OS discovered during internal security review concerns improper neutralization (CWE-707). It is fixed in a software hardening release.
Original NVD description (English source)
The DHCP implementation in the PowerOn Auto Provisioning (POAP) feature in Cisco NX-OS does not properly restrict the initialization process, which allows remote attackers to execute arbitrary commands as root by sending crafted response packets on the local network, aka Bug ID CSCur14589.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS