Cisco CBOS Telnet improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Cisco CBOS. This impacts an unknown function of the component Telnet Handler. Executing a manipulation can lead to improper authentication. This vulnerability is handled as CVE-1999-0889. There is not any exploit available. The application of restrictive firewalling is recommended.

Detailsinfo

A vulnerability classified as critical was found in Cisco CBOS (affected version not known). This vulnerability affects some unknown functionality of the component Telnet Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Cisco 675 routers running CBOS allow remote attackers to establish telnet sessions if an exec or superuser password has not been set.

The bug was discovered 07/31/1999. The weakness was released 07/01/1999 (Website). The advisory is shared for download at osvdb.org. This vulnerability was named CVE-1999-0889. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 10045 (Cisco 675 Router Default Unpassworded Account), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context r.

Proper firewalling of is able to address this issue.

The vulnerability is also documented in the databases at X-Force (4251), Tenable (10045), OSVDB (39†) and Vulnerability Center (SBV-40†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
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: 10045
Nessus Name: Cisco 675 Router Default Unpassworded Account
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfo

07/01/1999 🔍
07/01/1999 +0 days 🔍
07/01/1999 +0 days 🔍
07/31/1999 +30 days 🔍
08/22/1999 +22 days 🔍
09/12/2002 +1117 days 🔍
10/08/2002 +25 days 🔍
06/21/2014 +4274 days 🔍
05/04/2019 +1778 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: osvdb.org⛔
Status: Not defined

CVE: CVE-1999-0889 (🔍)
GCVE (CVE): GCVE-0-1999-0889
GCVE (VulDB): GCVE-100-14716
X-Force: 4251
OSVDB: 39 - Cisco 675 Router Default Unpassworded Account
Vulnerability Center: 40 - Cisco 675 Router Without Password, High

Entryinfo

Created: 06/21/2014 12:02
Updated: 05/04/2019 18:13
Changes: 06/21/2014 12:02 (62), 05/04/2019 18:13 (4)
Complete: 🔍
Cache ID: 216:646:103

Once again VulDB remains the best source for vulnerability data.

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