Qualcomm Qpopper 4.0.1 on Red Hat PAM Authentication User information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Qualcomm Qpopper 4.0.1 on Red Hat. This affects an unknown part of the component PAM Authentication. This manipulation causes information disclosure (User). This vulnerability is registered as CVE-2001-1068. Remote exploitation of the attack is possible. No exploit is available. It is advisable to implement restrictive firewalling.

Detailsinfo

A vulnerability was found in Qualcomm Qpopper 4.0.1 on Red Hat. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component PAM Authentication. The manipulation with an unknown input leads to a information disclosure vulnerability (User). The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

qpopper 4.01 with PAM based authentication on Red Hat systems generates different error messages when an invalid username is provided instead of a valid name, which allows remote attackers to determine valid usernames on the system.

The weakness was published 08/31/2001 as not defined posting (Bugtraq). The advisory is shared at archives.neohapsis.com. This vulnerability is known as CVE-2001-1068. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 50031 (Qualcomm Qpopper Red Hat PAM User Enumeration Vulnerability).

Proper firewalling of is able to address this issue.

The vulnerability is also documented in the databases at X-Force (7047), SecurityFocus (BID 3242†) and Vulnerability Center (SBV-3752†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.2
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

Name: User
Class: Information disclosure / User
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/25/2001 🔍
08/25/2001 +0 days 🔍
08/31/2001 +6 days 🔍
08/31/2001 +0 days 🔍
02/16/2004 +899 days 🔍
07/08/2014 +3795 days 🔍
09/29/2025 +4101 days 🔍

Sourcesinfo

Vendor: qualcomm.com

Advisory: archives.neohapsis.com
Status: Not defined

CVE: CVE-2001-1068 (🔍)
GCVE (CVE): GCVE-0-2001-1068
GCVE (VulDB): GCVE-100-17305
X-Force: 7047
SecurityFocus: 3242 - Red Hat PAM qpopper User Enumeration Vulnerability
Vulnerability Center: 3752 - Qualcomm Qpopper 4.01 with PAM on Red Hat Systems Usernames Disclosure, Low

Entryinfo

Created: 07/08/2014 17:35
Updated: 09/29/2025 12:18
Changes: 07/08/2014 17:35 (58), 01/21/2019 09:57 (3), 09/29/2025 12:18 (17)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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