Pragma Systems Interaccess 4.0 Build 5 Port telnet95.exe denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Pragma Systems Interaccess 4.0 Build 5. This vulnerability affects unknown code of the file telnet95.exe of the component Port Handler. Executing a manipulation can lead to denial of service. This vulnerability is handled as CVE-2001-1263. Additionally, an exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Pragma Systems Interaccess 4.0 Build 5. It has been declared as problematic. This vulnerability affects an unknown code block of the file telnet95.exe of the component Port Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

telnet95.exe in Pragma InterAccess 4.0 build 5 allows remote attackers to cause a denial of service (crash) via a large number of characters to port 23, possibly due to a buffer overflow.

The bug was discovered 06/06/2001. The weakness was released 06/06/2001 (Website). The advisory is shared for download at online.securityfocus.com. This vulnerability was named CVE-2001-1263. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

A public exploit has been developed in Perl. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38018 (Pragma InterAccess Denial of Service Vulnerability).

Upgrading to version 4.0.6 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (6658), Exploit-DB (20904), SecurityFocus (BID 2834†), OSVDB (12325†) and Vulnerability Center (SBV-6469†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Interaccess 4.0.6

Timelineinfo

06/06/2001 🔍
06/06/2001 +0 days 🔍
06/06/2001 +0 days 🔍
06/06/2001 +0 days 🔍
06/06/2001 +0 days 🔍
12/14/2004 +1287 days 🔍
07/04/2014 +3489 days 🔍
09/27/2025 +4103 days 🔍

Sourcesinfo

Advisory: online.securityfocus.com⛔
Status: Confirmed

CVE: CVE-2001-1263 (🔍)
GCVE (CVE): GCVE-0-2001-1263
GCVE (VulDB): GCVE-100-16756
X-Force: 6658
SecurityFocus: 2834 - Pragma InterAccess Denial of Service Vulnerability
OSVDB: 12325 - Pragma - InterAccess - Denial of Service Issue
Vulnerability Center: 6469 - DoS in Pragma Systems InterAccess TelnetD Server via Buffer Overflow, Critical

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

Entryinfo

Created: 07/04/2014 12:47
Updated: 09/27/2025 11:39
Changes: 07/04/2014 12:47 (63), 06/03/2019 10:54 (4), 02/02/2025 17:49 (19), 09/27/2025 11:39 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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