VDB-14977 · CVE-1999-1528 · BID 794

Prosoft Engineering NetWare Client 5.12 on MacOS NDS improper authentication

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.
5.9	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Prosoft Engineering NetWare Client 5.12 on MacOS. The affected element is an unknown function of the component NDS Handler. This manipulation causes improper authentication. This vulnerability is tracked as CVE-1999-1528. No exploit exists.

Detailsinfo

A vulnerability classified as problematic was found in Prosoft Engineering NetWare Client 5.12 on MacOS. Affected by this vulnerability is an unknown code of the component NDS 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. The summary by CVE is:

ProSoft Netware Client 5.12 on Macintosh MacOS 9 does not automatically log a user out of the NDS tree when the user logs off the system, which allows other users of the same system access to the unprotected NDS session.

The weakness was disclosed 11/14/1999 (Website). The advisory is shared at marc.theaimsgroup.com. This vulnerability is known as CVE-1999-1528. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 794†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Prosoft Engineering

Name

NetWare Client

Version

5.12

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 5.9
VulDB Temp Score: 5.9
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
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/14/1999 🔍
11/14/1999 +0 days 🔍
11/14/1999 +0 days 🔍
06/22/2014 +5334 days 🔍
04/19/2026 +4319 days 🔍

Sourcesinfo

Advisory: marc.theaimsgroup.com
Status: Not defined

CVE: CVE-1999-1528 (🔍)
GCVE (CVE): GCVE-0-1999-1528
GCVE (VulDB): GCVE-100-14977
SecurityFocus: 794 - Prosoft Netware Client for MacOS Inherited NDS Vulnerability

Entryinfo

Created: 06/22/2014 14:52
Updated: 04/19/2026 19:06
Changes: 06/22/2014 14:52 (38), 04/05/2019 07:39 (13), 04/19/2026 19:06 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.