CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.6	$0-$5k	0.00

A vulnerability, which was classified as problematic, was found in Cisco IOS XR 4.3.1.BASE on ASR 9000 (Router Operating System). Affected is an unknown functionality of the component NetFlow Processor. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. The advisory summarizes:

Only Typhoon Line cards are affected by this vulnerability

The weakness was shared 08/25/2014 with Cisco as CSCup77750 as confirmed security notice (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2014-3335 since 05/07/2014. The exploitability is told to be difficult. The attack can only be done within the local network. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 77729 , which helps to determine the existence of the flaw in a target environment. It is .

Upgrading to version 5.1.3.16i.BASE, 5.1.3.18i.BASE, 5.2.2.18i.BASE or 5.3.0.1i.BASE eliminates this vulnerability. The upgrade is hosted for download at software.cisco.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (95443) and Tenable (77729). Further details are available at tools.cisco.com.

Productinfo

Type

• Router Operating System

Vendor

• Cisco

Name

• IOS XR

Version

• 4.3.1.BASE

License

• commercial

Support

• end of life (version)

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 77729
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: IOS XR 5.1.3.16i.BASE/5.1.3.18i.BASE/5.2.2.18i.BASE/5.3.0.1i.BASE

Timelineinfo

05/07/2014 🔍
08/25/2014 +110 days 🔍
08/25/2014 +0 days 🔍
08/25/2014 +0 days 🔍
08/25/2014 +0 days 🔍
08/26/2014 +1 days 🔍
08/26/2014 +0 days 🔍
08/26/2014 +0 days 🔍
08/28/2014 +2 days 🔍
09/17/2014 +20 days 🔍
09/22/2014 +5 days 🔍
02/11/2022 +2699 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCup77750
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-3335 (🔍)
X-Force: 95443 - Cisco IOS XR NetFlow denial of service, Medium Risk
SecurityTracker: 1030757 - Cisco ASR 9000 Series IOS XR Router Packet Processing Flaw Lets Remote Users Deny Service
Vulnerability Center: 46227 - Cisco IOS XR Remote Denial of Service via a Crafted Packet, High
SecurityFocus: 69383 - Cisco IOS XR Software Packet Parsing CVE-2014-3335 Denial of Service Vulnerability
Secunia: 60222 - Cisco IOS XR Software NetFlow Multicast MAC Address Processing Denial of Service Vulnerabi, Less Critical

scip Labs: https://www.scip.ch/en/?labs.20150108
Misc.: 🔍

Entryinfo

Created: 08/26/2014 12:31 PM
Updated: 02/11/2022 03:21 AM
Changes: 08/26/2014 12:31 PM (81), 06/06/2017 08:44 AM (3), 02/11/2022 03:13 AM (3), 02/11/2022 03:21 AM (1)
Complete: 🔍

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