Qualcomm Qpopper 4.0/4.0.1/4.0.2 Username memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Qualcomm Qpopper 4.0/4.0.1/4.0.2. Affected is an unknown function. The manipulation of the argument Username results in memory corruption. This vulnerability is reported as CVE-2001-1046. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Qualcomm Qpopper 4.0/4.0.1/4.0.2. Affected is an unknown functionality. The manipulation of the argument Username with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in qpopper (aka qpop or popper) 4.0 through 4.0.2 allows remote attackers gain privileges via a long username.

The weakness was disclosed 06/02/2001 (Website). The advisory is shared for download at xforce.iss.net. This vulnerability is traded as CVE-2001-1046. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/30/2025).

The vulnerability scanner Nessus provides a plugin with the ID 10948 (Qpopper .qpopper-options Username Handling Overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc.. The commercial vulnerability scanner Qualys is able to test this issue with plugin 74031 (Qualcomm Qpopper Username Buffer Overflow Vulnerability).

Upgrading to version 4.0.3 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (6647), Tenable (10948), SecurityFocus (BID 2811†) and Vulnerability Center (SBV-363†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
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: Memory corruption
CWE: CWE-119
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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Nessus ID: 10948
Nessus Name: Qpopper .qpopper-options Username Handling Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 10948
OpenVAS Name: qpopper options buffer overflow
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Qpopper 4.0.3
ISS Proventia IPS: 🔍

Timelineinfo

06/02/2001 🔍
06/02/2001 +0 days 🔍
06/02/2001 +0 days 🔍
05/02/2002 +334 days 🔍
12/12/2002 +224 days 🔍
07/04/2014 +4222 days 🔍
09/30/2025 +4106 days 🔍

Sourcesinfo

Vendor: qualcomm.com

Advisory: xforce.iss.net
Status: Confirmed

CVE: CVE-2001-1046 (🔍)
GCVE (CVE): GCVE-0-2001-1046
GCVE (VulDB): GCVE-100-16752
X-Force: 6647
SecurityFocus: 2811
Vulnerability Center: 363 - Buffer Overflow in Qualcomm Qpopper via Long Username, Critical

Entryinfo

Created: 07/04/2014 12:45
Updated: 09/30/2025 06:51
Changes: 07/04/2014 12:45 (64), 01/21/2019 09:57 (1), 06/25/2021 15:39 (2), 09/30/2025 06:51 (18)
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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