Affordable Web Space Design WebBBS up to 5.0 webbbs_post.pl followup 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.
8.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Affordable Web Space Design WebBBS up to 5.0. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the file webbbs_post.pl. Performing a manipulation of the argument followup results in privileges management. This vulnerability is known as CVE-2002-1993. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in Affordable Web Space Design WebBBS up to 5.0. It has been classified as very critical. This affects an unknown function of the file webbbs_post.pl. The manipulation of the argument followup with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

webbbs_post.pl in WebBBS 4 and 5.0 allows remote attackers to execute arbitrary commands via shell metacharacters in the followup parameter.

The bug was discovered 06/18/2002. The weakness was published 12/31/2002 by ViPeR (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2002-1993 since 07/14/2005. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/31/2025). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

A public exploit has been developed in Perl. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 196 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 10879 (WebScripts WebBBS Remote Command Execution Vulnerability).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 9904.

The vulnerability is also documented in the databases at X-Force (9378), Exploit-DB (21567), SecurityFocus (BID 5048†), OSVDB (3513†) and Vulnerability Center (SBV-10494†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 8.9

VulDB Base Score: 9.8
VulDB Temp Score: 8.9
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: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

PaloAlto IPS: 🔍

Timelineinfo

06/18/2002 🔍
06/18/2002 +0 days 🔍
06/18/2002 +0 days 🔍
12/31/2002 +196 days 🔍
12/31/2002 +0 days 🔍
07/14/2005 +926 days 🔍
02/27/2006 +228 days 🔍
08/05/2014 +3081 days 🔍
08/31/2025 +4044 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: ViPeR
Status: Not defined

CVE: CVE-2002-1993 (🔍)
GCVE (CVE): GCVE-0-2002-1993
GCVE (VulDB): GCVE-100-19635
X-Force: 9378
SecurityFocus: 5048 - WebScripts WebBBS Remote Command Execution Vulnerability
OSVDB: 3513 - WebScripts - WebBBS - Remote Command Execution Vulnerability
Vulnerability Center: 10494 - WebBBS Shell Metacharacters in \x27followup\x27 Parameter, High

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/05/2014 11:44
Updated: 08/31/2025 08:29
Changes: 08/05/2014 11:44 (64), 06/14/2019 18:00 (7), 08/29/2024 09:23 (19), 08/31/2025 08:29 (4)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!