Snitz Forums 2000 up to 3.4.03 Session 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.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Snitz Forums 2000 up to 3.4.03. It has been classified as critical. This affects an unknown function of the component Session Handler. Performing a manipulation results in improper authentication. This vulnerability is known as CVE-2003-0493. No exploit is available.

Detailsinfo

A vulnerability classified as critical has been found in Snitz Forums 2000 up to 3.4.03 (Forum Software). This affects an unknown code block of the component Session Handler. 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, and integrity. The summary by CVE is:

Snitz Forums 3.4.03 and earlier allows attackers to gain privileges as other users by stealing and replaying the encrypted password after obtaining a valid session ID.

The bug was discovered 06/16/2003. The weakness was published 08/07/2003 by JeiAr as not defined posting (Bugtraq). It is possible to read the advisory at marc.theaimsgroup.com. This vulnerability is uniquely identified as CVE-2003-0493 since 06/27/2003. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 52 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11358 (Snitz Forum Cookie Authentication Bypass Vulnerability).

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 databases at X-Force (12496), SecurityFocus (BID 7924†), OSVDB (4321†) and Vulnerability Center (SBV-13934†). Similar entry is available at VDB-20656. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Forum Software

Vendor

• Snitz

Name

• Forums 2000

Version

• 3.4.03

License

• free

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/16/2003 🔍
06/16/2003 +0 days 🔍
06/27/2003 +11 days 🔍
08/07/2003 +41 days 🔍
08/07/2003 +0 days 🔍
08/07/2003 +0 days 🔍
01/09/2007 +1251 days 🔍
08/14/2014 +2774 days 🔍
08/13/2025 +4017 days 🔍

Sourcesinfo

Advisory: marc.theaimsgroup.com
Researcher: JeiAr
Status: Not defined

CVE: CVE-2003-0493 (🔍)
GCVE (CVE): GCVE-0-2003-0493
GCVE (VulDB): GCVE-100-20655
X-Force: 12496
SecurityFocus: 7924 - Snitz Forum Cookie Authentication Bypass Vulnerability
OSVDB: 4321 - Snitz Forum - Cookie Authentication Bypass Issue
Vulnerability Center: 13934 - Snitz Forums 2000 3.4.03 and earlier Privilege Escalation Vulnerability, High

See also: 🔍

Entryinfo

Created: 08/14/2014 18:28
Updated: 08/13/2025 13:46
Changes: 08/14/2014 18:28 (61), 07/13/2019 14:24 (3), 08/13/2025 13:46 (18)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

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