Internetnow Proxynow 2.6/2.75 Proxy stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Internetnow Proxynow 2.6/2.75. The affected element is an unknown function of the component Proxy. The manipulation results in stack-based overflow. This vulnerability is known as CVE-2004-2114. Furthermore, an exploit is available.

Detailsinfo

A vulnerability classified as very critical has been found in Internetnow Proxynow 2.6/2.75 (Firewall Software). Affected is an unknown part of the component Proxy. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Stack-based and heap-based buffer overflows in ProxyNow! 2.75 and earlier allow remote attackers to execute arbitrary code via a GET request with a long ftp:// URL.

The weakness was published 12/31/2004 by Peter Winter-Smith (Website). The advisory is shared for download at marc.theaimsgroup.com. This vulnerability is traded as CVE-2004-2114 since 05/27/2005. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/12/2025).

A public exploit has been developed in Perl. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept.

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 (14955), Exploit-DB (23608) and SecurityFocus (BID 9500†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.1

VulDB Base Score: 10.0
VulDB Temp Score: 9.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
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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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/26/2004 🔍
12/31/2004 +340 days 🔍
12/31/2004 +0 days 🔍
05/27/2005 +147 days 🔍
03/09/2015 +3573 days 🔍
09/12/2025 +3840 days 🔍

Sourcesinfo

Advisory: marc.theaimsgroup.com
Researcher: Peter Winter-Smith
Status: Not defined

CVE: CVE-2004-2114 (🔍)
GCVE (CVE): GCVE-0-2004-2114
GCVE (VulDB): GCVE-100-23040
X-Force: 14955 - ProxyNow! HTTP GET stack based buffer overflow or heap-based buffer overflow
SecurityFocus: 9500 - InternetNow ProxyNow Multiple Stack and Heap Overflow Vulnerabilities

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

Entryinfo

Created: 03/09/2015 15:52
Updated: 09/12/2025 15:20
Changes: 03/09/2015 15:52 (52), 06/25/2018 09:03 (7), 09/12/2025 15:20 (20)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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