Executive Summary

Informations
Name CVE-2017-3850 First vendor Publication 2017-03-21
Vendor Cve Last vendor Modification 2019-10-09

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 5.9
Base Score 5.9 Environmental Score 5.9
impact SubScore 3.6 Temporal Score 5.9
Exploitabality Sub Score 2.2
 
Attack Vector Network Attack Complexity High
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:N/A:C)
Cvss Base Score 7.1 Attack Range Network
Cvss Impact Score 6.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A vulnerability in the Autonomic Networking Infrastructure (ANI) feature of Cisco IOS Software (15.4 through 15.6) and Cisco IOS XE Software (3.7 through 3.18, and 16) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to incomplete input validation on certain crafted packets. An attacker could exploit this vulnerability by sending a crafted IPv6 packet to a device that is running a Cisco IOS Software or Cisco IOS XE Software release that supports the ANI feature. A device must meet two conditions to be affected by this vulnerability: (1) the device must be running a version of Cisco IOS Software or Cisco IOS XE Software that supports ANI (regardless of whether ANI is configured); and (2) the device must have a reachable IPv6 interface. An exploit could allow the attacker to cause the affected device to reload. Cisco Bug IDs: CSCvc42729.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-3850

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 62
Os 81

Snort® IPS/IDS

Date Description
2017-03-23 Cisco IOS autonomic networking discovery denial of service attempt
RuleID : 42051 - Revision : 1 - Type : SERVER-OTHER

Nessus® Vulnerability Scanner

Date Description
2017-03-24 Name : The remote device is missing a vendor-supplied security patch.
File : cisco-sa-20170320-aniipv6-ios.nasl - Type : ACT_GATHER_INFO
2017-03-24 Name : The remote device is missing a vendor-supplied security patch.
File : cisco-sa-20170320-aniipv6-iosxe.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

Source Url
BID http://www.securityfocus.com/bid/96971
CONFIRM https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-s...
SECTRACK http://www.securitytracker.com/id/1038065

Alert History

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Date Informations
2021-05-04 13:01:44
  • Multiple Updates
2021-04-22 02:15:19
  • Multiple Updates
2020-05-23 01:00:31
  • Multiple Updates
2019-10-10 05:19:58
  • Multiple Updates
2018-01-09 21:22:43
  • Multiple Updates
2018-01-09 05:20:44
  • Multiple Updates
2017-07-12 09:22:56
  • Multiple Updates
2017-03-27 21:21:14
  • Multiple Updates
2017-03-25 13:25:20
  • Multiple Updates
2017-03-23 09:23:04
  • Multiple Updates
2017-03-21 21:24:35
  • First insertion