CVE-2021-1513

Cisco SD-WAN Software vDaemon Denial of Service Vulnerability

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

A vulnerability in the vDaemon process of Cisco SD-WAN Software could allow an unauthenticated, remote attacker to cause a device to reload, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient handling of malformed packets. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Una vulnerabilidad en el proceso vDaemon de Cisco SD-WAN Software, podría permitir a un atacante remoto no autenticado causar la recarga de un dispositivo, resultando en una condición de denegación de servicio (DoS). Esta vulnerabilidad es debido al manejo insuficiente de paquetes malformados. Un atacante podría explotar esta vulnerabilidad mediante el envío tráfico diseñado hacia un dispositivo afectado. Una explotación con éxito podría permitir al atacante causar que el dispositivo se recargue, resultando en una condición de DoS

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2020-11-13 CVE Reserved
2021-05-06 CVE Published
2024-01-20 EPSS Updated
2024-11-08 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-dos-Ckn5cVqW	2024-03-21

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cisco Search vendor "Cisco"	Vsmart Controller Firmware Search vendor "Cisco" for product "Vsmart Controller Firmware"	-	-	Affected	in	Cisco Search vendor "Cisco"	Vsmart Controller Search vendor "Cisco" for product "Vsmart Controller"	-	-	Safe
Cisco Search vendor "Cisco"	Vedge 100 Firmware Search vendor "Cisco" for product "Vedge 100 Firmware"	-	-	Affected	in	Cisco Search vendor "Cisco"	Vedge 100 Search vendor "Cisco" for product "Vedge 100"	-	-	Safe
Cisco Search vendor "Cisco"	Vedge 1000 Firmware Search vendor "Cisco" for product "Vedge 1000 Firmware"	-	-	Affected	in	Cisco Search vendor "Cisco"	Vedge 1000 Search vendor "Cisco" for product "Vedge 1000"	-	-	Safe
Cisco Search vendor "Cisco"	Vedge 100b Firmware Search vendor "Cisco" for product "Vedge 100b Firmware"	-	-	Affected	in	Cisco Search vendor "Cisco"	Vedge 100b Search vendor "Cisco" for product "Vedge 100b"	-	-	Safe
Cisco Search vendor "Cisco"	Vedge 100m Firmware Search vendor "Cisco" for product "Vedge 100m Firmware"	-	-	Affected	in	Cisco Search vendor "Cisco"	Vedge 100m Search vendor "Cisco" for product "Vedge 100m"	-	-	Safe
Cisco Search vendor "Cisco"	Vedge 100wm Firmware Search vendor "Cisco" for product "Vedge 100wm Firmware"	-	-	Affected	in	Cisco Search vendor "Cisco"	Vedge 100wm Search vendor "Cisco" for product "Vedge 100wm"	-	-	Safe
Cisco Search vendor "Cisco"	Vedge 2000 Firmware Search vendor "Cisco" for product "Vedge 2000 Firmware"	-	-	Affected	in	Cisco Search vendor "Cisco"	Vedge 2000 Search vendor "Cisco" for product "Vedge 2000"	-	-	Safe
Cisco Search vendor "Cisco"	Vedge 5000 Firmware Search vendor "Cisco" for product "Vedge 5000 Firmware"	-	-	Affected	in	Cisco Search vendor "Cisco"	Vedge 5000 Search vendor "Cisco" for product "Vedge 5000"	-	-	Safe
Cisco Search vendor "Cisco"	Vedge-100b Firmware Search vendor "Cisco" for product "Vedge-100b Firmware"	-	-	Affected	in	Cisco Search vendor "Cisco"	Vedge-100b Search vendor "Cisco" for product "Vedge-100b"	-	-	Safe
Cisco Search vendor "Cisco"	Vedge Cloud Firmware Search vendor "Cisco" for product "Vedge Cloud Firmware"	-	-	Affected	in	Cisco Search vendor "Cisco"	Vedge Cloud Search vendor "Cisco" for product "Vedge Cloud"	-	-	Safe
Cisco Search vendor "Cisco"		Catalyst Sd-wan Manager Search vendor "Cisco" for product "Catalyst Sd-wan Manager"				< 20.3.1 Search vendor "Cisco" for product "Catalyst Sd-wan Manager" and version " < 20.3.1"		-		Affected
Cisco Search vendor "Cisco"		Catalyst Sd-wan Manager Search vendor "Cisco" for product "Catalyst Sd-wan Manager"				>= 20.4 < 20.4.1 Search vendor "Cisco" for product "Catalyst Sd-wan Manager" and version " >= 20.4 < 20.4.1"		-		Affected
Cisco Search vendor "Cisco"		Catalyst Sd-wan Manager Search vendor "Cisco" for product "Catalyst Sd-wan Manager"				>= 20.5 < 20.5.1 Search vendor "Cisco" for product "Catalyst Sd-wan Manager" and version " >= 20.5 < 20.5.1"		-		Affected
Cisco Search vendor "Cisco"		Sd-wan Vbond Orchestrator Search vendor "Cisco" for product "Sd-wan Vbond Orchestrator"				-		-		Affected