acFTP 1.4 Authentication Password improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.9$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in acFTP 1.4. The affected element is an unknown function of the component Authentication. This manipulation of the argument Password causes improper authentication. The identification of this vulnerability is CVE-2002-2417. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in acFTP 1.4. It has been declared as very critical. Affected by this vulnerability is an unknown code of the component Authentication. The manipulation of the argument Password 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:

acFTP 1.4 does not properly handle when an invalid password is provided by the user during authentication, which allows remote attackers to hide or misrepresent certain activity from log files and possibly gain privileges.

The weakness was shared 12/31/2002 by Matthew Murphy (mattmurphy) (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2002-2417 since 11/01/2007. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The pricing for an exploit might be around USD at the moment (estimation calculated on 08/26/2025).

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The commercial vulnerability scanner Qualys is able to test this issue with plugin 27165 (acFTP Invalid Password Weak Authentication 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 (10681), Exploit-DB (22032) and SecurityFocus (BID 6235†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍
Access: Public
Status: Proof-of-Concept
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/25/2002 🔍
12/31/2002 +36 days 🔍
12/31/2002 +0 days 🔍
11/01/2007 +1766 days 🔍
08/07/2014 +2471 days 🔍
08/26/2025 +4037 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Matthew Murphy (mattmurphy)
Status: Not defined

CVE: CVE-2002-2417 (🔍)
GCVE (CVE): GCVE-0-2002-2417
GCVE (VulDB): GCVE-100-20059
X-Force: 10681
SecurityFocus: 6235 - acFTP Invalid Password Weak Authentication Vulnerability

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

Entryinfo

Created: 08/07/2014 14:49
Updated: 08/26/2025 16:48
Changes: 08/07/2014 14:49 (42), 06/13/2018 09:13 (10), 07/14/2024 23:50 (17), 05/25/2025 07:39 (13), 08/26/2025 16:48 (3)
Complete: 🔍
Cache ID: 216::103

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

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