CVE-2017-12211

Severity Score

5.3

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A vulnerability in the IPv6 Simple Network Management Protocol (SNMP) code of Cisco IOS and Cisco IOS XE Software could allow an authenticated, remote attacker to cause high CPU usage or a reload of the device. The vulnerability is due to IPv6 sub block corruption. An attacker could exploit this vulnerability by polling the affected device IPv6 information. An exploit could allow the attacker to trigger high CPU usage or a reload of the device. Known Affected Releases: Denali-16.3.1. Cisco Bug IDs: CSCvb14640.

Una vulnerabilidad en el código del SNMP (Simple Network Management Protocol) IPv6 de Cisco IOS y Cisco IOS XE Software podría permitir que un atacante remoto autenticado haga un uso elevado de recursos de CPU o reinicie el dispositivo. La vulnerabilidad se debe a una corrupción de sub-bloques IPv6. Un atacante podría explotar esta vulnerabilidad sondeando la información IPv6 del dispositivo afectado. Un exploit podría permitir que el atacante realice un uso elevado de recursos de CPU o reinicie el dispositivo. Versiones afectadas conocidas: Denali-16.3.1. Cisco Bug IDs: CSCvb14640.

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-08-03 CVE Reserved
2017-09-07 CVE Published
2023-03-07 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-399: Resource Management Errors

CAPEC

References (4)

URL	Tag	Source
http://www.securityfocus.com/bid/100648	Third Party Advisory
http://www.securitytracker.com/id/1039290	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://quickview.cloudapps.cisco.com/quickview/bug/CSCvb14640	2019-10-09
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170906-snmp	2019-10-09

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 Search vendor "Cisco" for product "Ios"				3.16.1 Search vendor "Cisco" for product "Ios" and version "3.16.1"		-		Affected
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