Cisco 6400 NRP2 12.1dc Telnet improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco 6400 NRP2 12.1dc. It has been declared as critical. This affects an unknown function of the component Telnet. The manipulation results in improper authentication. This vulnerability is known as CVE-2001-0757. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

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), Tenable (10981), SecurityFocus (BID 2874†), OSVDB (804†) and Vulnerability Center (SBV-2069†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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 🔍
12/15/2024 +3812 days 🔍

Sourcesinfo

Vendor: cisco.com

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

CVE: CVE-2001-0757 (🔍)
GCVE (CVE): GCVE-0-2001-0757
GCVE (VulDB): GCVE-100-17520

OVAL: 🔍

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

Entryinfo

Created: 07/09/2014 17:27
Updated: 12/15/2024 02:34
Changes: 07/09/2014 17:27 (75), 05/12/2019 20:52 (1), 12/15/2024 02:34 (17)
Complete: 🔍
Cache ID: 216::103

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