A vulnerability in the Cisco Discovery Protocol feature of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to execute arbitrary code as root or cause a denial of service (DoS) condition on an affected device. The vulnerability exists because of insufficiently validated Cisco Discovery Protocol packet headers. An attacker could exploit this vulnerability by sending a crafted Cisco Discovery Protocol packet to a Layer 2-adjacent affected device. A successful exploit could allow the attacker to cause a buffer overflow that could allow the attacker to execute arbitrary code as root or cause a DoS condition on the affected device. Note: Cisco Discovery Protocol is a Layer 2 protocol. To exploit this vulnerability, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent). Note: This vulnerability is different from the following Cisco FXOS and NX-OS Software Cisco Discovery Protocol vulnerabilities that Cisco announced on Feb. 5, 2020: Cisco FXOS, IOS XR, and NX-OS Software Cisco Discovery Protocol Denial of Service Vulnerability and Cisco NX-OS Software Cisco Discovery Protocol Remote Code Execution Vulnerability.
Metrics
No CVSS v4.0
Attack Vector Adjacent Network
Attack Complexity Low
Privileges Required None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
User Interaction None
Attack Vector Adjacent Network
Attack Complexity Low
Privileges Required None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
User Interaction None
Access Vector Adjacent Network
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
AV:A/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
Key SSVC decision points have not yet been added.
Affected Vendors & Products
Vendors | Products |
---|---|
Cisco |
|
Configuration 1 [-]
AND |
|
Configuration 2 [-]
AND |
|
Configuration 3 [-]
AND |
|
Configuration 4 [-]
AND |
|
Configuration 5 [-]
AND |
|
Configuration 6 [-]
AND |
|
Configuration 7 [-]
AND |
|
Configuration 8 [-]
AND |
|
Configuration 9 [-]
AND |
|
No data.
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: cisco
Published: 2020-02-26T16:50:40.700230Z
Updated: 2024-09-17T03:54:48.287Z
Reserved: 2019-12-12T00:00:00
Link: CVE-2020-3172
Vulnrichment
No data.
NVD
Status : Analyzed
Published: 2020-02-26T17:15:13.343
Modified: 2023-04-20T15:27:48.130
Link: CVE-2020-3172
Redhat
No data.