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.
7.0	$0-$5k	0.00

A vulnerability was found in Cisco 6400 NRP2 12.1dc. It has been classified as critical. Affected is some unknown processing of the component Telnet. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Cisco 6400 Access Concentrator Node Route Processor 2 (NRP2) 12.1DC card does not properly disable access when a password has not been set for vtys, which allows remote attackers to obtain access via telnet.

The bug was discovered . The weakness was published 06/14/2001 with Cisco as confirmed advisory (CERT.org). The advisory is shared for download at kb.cert.org. This vulnerability is traded as CVE-2001-0757. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 11487 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 10981 (Cisco 6400 NRP2 Unauthenticated Telnet Access (CSCdt65960)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO, running in the context l and relying on port 161.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (6691) and Tenable (10981).

Productinfo

Vendor

• Cisco

Name

• 6400 NRP2

Version

• 12.1dc

License

• commercial

Support

• end of life (old version)

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: Improper authentication
CWE: CWE-287
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Nessus ID: 10981
Nessus Name: Cisco 6400 NRP2 Unauthenticated Telnet Access (CSCdt65960)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

🔍
06/14/2001 +11486 days 🔍
06/14/2001 +0 days 🔍
06/14/2001 +0 days 🔍
10/18/2001 +126 days 🔍
06/05/2002 +230 days 🔍
09/12/2002 +99 days 🔍
09/10/2003 +362 days 🔍
07/09/2014 +3955 days 🔍
05/12/2019 +1768 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: kb.cert.org
Organization: Cisco
Status: Confirmed

CVE: CVE-2001-0757 (🔍)
OVAL: 🔍

X-Force: 6691 - Cisco Access Concentrator NRP2 could allow unauthorized Telnet access
Vulnerability Center: 2069 - [cisco-sa-20010614-nrp2-telnet] 6400 NRP 2 Default Password Set Allows Remote Access via Telnet, High
SecurityFocus: 2874 - Cisco NRP2 Unauthorized Telnet Access Vulnerability
OSVDB: 804 - Cisco 6400 NRP2 Unauthenticated Telnet Access

Entryinfo

Created: 07/09/2014 17:27
Updated: 05/12/2019 20:52
Changes: 07/09/2014 17:27 (75), 05/12/2019 20:52 (1)
Complete: 🔍

Discussion

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