Cisco FXOS and NX-OS Software Unidirectional Link Detection Denial of Service and Arbitrary Code Execution (CVE-2021-1368)

A vulnerability in the Unidirectional Link Detection UDLD feature of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to execute arbitrary code with administrative privileges or cause a denial of service DoS condition on an affected device. This...

CVE-2021-1368

A vulnerability in the Unidirectional Link Detection UDLD feature of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to execute arbitrary code with administrative privileges or cause a denial of service DoS condition on an affected device. This...

CVE-2021-1368

CVE-2021-1368 affects Cisco FXOS and NX-OS UDLD. The vulnerability stems from insufficient input validation in the Unidirectional Link Detection (UDLD) feature, allowing an unauthenticated, adjacent attacker to send crafted UDLD packets to trigger either arbitrary code execution with administrati...