N-Base NH2012/NH2012R/NH2015/NH2048/NH3012 TFTP Server privileges management

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.
9.4$0-$5k0.00

Summaryinfo

A vulnerability was found in N-Base NH2012, NH2012R, NH2015, NH2048 and NH3012. It has been rated as problematic. Affected is an unknown function of the component TFTP Server. The manipulation leads to privileges management. This vulnerability is traded as CVE-1999-1421. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in N-Base NH2012, NH2012R, NH2015, NH2048 and NH3012 and classified as critical. This issue affects an unknown function of the component TFTP Server. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

NBase switches NH208 and NH215 run a TFTP server which allows remote attackers to send software updates to modify the switch or cause a denial of service (crash) by guessing the target filenames, which have default names.

The bug was discovered 07/20/1998. The weakness was shared 07/20/1998 by Geoff with TTSG as not defined posting (Bugtraq). The advisory is shared at marc.theaimsgroup.com. The identification of this vulnerability is CVE-1999-1421. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 17291 (Default Password (debug) for 'super' Account), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Default Unix Accounts and running in the context r.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (10887), Tenable (17291), SecurityFocus (BID 212†), OSVDB (10867†) and Vulnerability Center (SBV-11685†). The entry VDB-14188 is related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 17291
Nessus Name: Default Password (debug) for 'super' Account
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 17291
OpenVAS Name: Default password debug for account super
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/20/1998 🔍
07/20/1998 +0 days 🔍
07/20/1998 +0 days 🔍
07/20/1998 +0 days 🔍
07/20/1998 +0 days 🔍
03/08/2005 +2423 days 🔍
05/30/2006 +448 days 🔍
06/19/2014 +2942 days 🔍
04/17/2026 +4320 days 🔍

Sourcesinfo

Advisory: marc.theaimsgroup.com
Researcher: Geoff
Organization: TTSG
Status: Confirmed

CVE: CVE-1999-1421 (🔍)
GCVE (CVE): GCVE-0-1999-1421
GCVE (VulDB): GCVE-100-14189
X-Force: 10887
SecurityFocus: 212 - N-Base Switch Vulnerability
OSVDB: 10867 - CVE-1999-1421 - NBase - Multiple Products - Security Bypass Issue
Vulnerability Center: 11685 - Nbase Switches NH208 and NH215 TFTP Server Allows Remote Modifying of the Switch and Creating DoS, Critical

See also: 🔍

Entryinfo

Created: 06/19/2014 16:50
Updated: 04/17/2026 14:44
Changes: 06/19/2014 16:50 (63), 06/19/2019 15:53 (11), 04/17/2026 14:44 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Might our Artificial Intelligence support you?

Check our Alexa App!