VDB-14797 · CVE-2000-0374 · XFDB 4856

Sun Solaris up to 8 XDMCP 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.
8.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Sun Solaris up to 8. This affects an unknown part of the component XDMCP. This manipulation causes improper authentication. This vulnerability is tracked as CVE-2000-0374. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Sun Solaris up to 8 (Operating System). Affected by this vulnerability is some unknown processing of the component XDMCP. 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:

The default configuration of kdm in Caldera and Mandrake Linux, and possibly other distributions, allows XDMCP connections from any host, which allows remote attackers to obtain sensitive information or bypass additional access restrictions.

The weakness was disclosed 08/22/1999 by FIRST with ProCheckUp (Website). The advisory is shared at ftp.calderasystems.com. This vulnerability is known as CVE-2000-0374. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (4856) and SecurityFocus (BID 1446†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

Sun Solaris up to 8
Madravia Mandrake Linux up to 8.0
Caldera OpenLinux 2.2

Productinfo

Type

Operating System

Vendor

Name

Solaris

Version

License

commercial

Support

end of life (old version)

Website

Vendor: https://www.oracle.com/sun/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 8.5

VulDB Base Score: 9.8
VulDB Temp Score: 8.5
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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/22/1999 🔍
08/22/1999 +0 days 🔍
08/22/1999 +0 days 🔍
06/21/2014 +5417 days 🔍
04/19/2026 +4320 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: ftp.calderasystems.com
Researcher: FIRST
Organization: ProCheckUp
Status: Confirmed

CVE: CVE-2000-0374 (🔍)
GCVE (CVE): GCVE-0-2000-0374
GCVE (VulDB): GCVE-100-14797
X-Force: 4856 - Multiple vendor XDMCP default configuration allows connection from any host
SecurityFocus: 1446 - Multiple Vendor XDMCP Default Access Control Vulnerability

Entryinfo

Created: 06/21/2014 21:31
Updated: 04/19/2026 10:50
Changes: 06/21/2014 21:31 (58), 04/04/2019 17:22 (1), 04/19/2026 10:50 (16)
Complete: 🔍
Cache ID: 216::103

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