CVE-2017-3824

Severity Score

6.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A vulnerability in the handling of list headers in Cisco cBR Series Converged Broadband Routers could allow an unauthenticated, remote attacker to cause the device to reload, resulting in a denial of service (DoS) condition. Cisco cBR-8 Converged Broadband Routers running vulnerable versions of Cisco IOS XE are affected. More Information: CSCux40637. Known Affected Releases: 15.5(3)S 15.6(1)S. Known Fixed Releases: 15.5(3)S2 15.6(1)S1 15.6(2)S 15.6(2)SP 16.4(1).

Una vulnerabilidad en el manejo de los encabezados de lista en Cisco cBR Series Converged Broadband Routers podría permitir que un atacante remoto no autenticado provoque el reinicio del dispositivo, resultando en una condición de denegación de servicio (DoS).Los Cisco cBR-8 Converged Broadband Routers que ejecutan versiones vulnerables de Cisco IOS XE están afectados. Más información: CSCux40637. Lanzamientos Afectados Conocidos: 15.5 (3) S 15.6 (1) S. Lanzamientos Reparados Conocidos: 15.5 (3) S2 15.6 (1) S1 15.6 (2) S 15.6 (2) SP 16.4 (1).

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

High

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2016-12-21 CVE Reserved
2017-02-03 CVE Published
2023-03-07 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CAPEC

References (3)

URL	Tag	Source
http://www.securityfocus.com/bid/95937	Third Party Advisory
http://www.securitytracker.com/id/1037774	Vdb Entry

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170201-cbr	2017-07-25

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cisco Search vendor "Cisco"	Ios Xe Search vendor "Cisco" for product "Ios Xe"	3.16.0 Search vendor "Cisco" for product "Ios Xe" and version "3.16.0"	-	Affected	in	Cisco Search vendor "Cisco"	Cbr-8 Converged Broadband Router Search vendor "Cisco" for product "Cbr-8 Converged Broadband Router"	-	-	Safe
Cisco Search vendor "Cisco"	Ios Xe Search vendor "Cisco" for product "Ios Xe"	3.16.1 Search vendor "Cisco" for product "Ios Xe" and version "3.16.1"	-	Affected	in	Cisco Search vendor "Cisco"	Cbr-8 Converged Broadband Router Search vendor "Cisco" for product "Cbr-8 Converged Broadband Router"	-	-	Safe
Cisco Search vendor "Cisco"	Ios Xe Search vendor "Cisco" for product "Ios Xe"	3.17.0 Search vendor "Cisco" for product "Ios Xe" and version "3.17.0"	-	Affected	in	Cisco Search vendor "Cisco"	Cbr-8 Converged Broadband Router Search vendor "Cisco" for product "Cbr-8 Converged Broadband Router"	-	-	Safe