Host FTP Server Pizza Thief 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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6.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Host. Affected is an unknown function of the component FTP Server. Performing a manipulation results in denial of service (Pizza Thief). This vulnerability is known as CVE-1999-0351. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Host (version now known). This affects some unknown processing of the component FTP Server. The manipulation with an unknown input leads to a denial of service vulnerability (Pizza Thief). CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on confidentiality, and availability. The summary by CVE is:

FTP PASV "Pizza Thief" denial of service and unauthorized data access. Attackers can steal data by connecting to a port that was intended for use by a client.

The weakness was published 02/01/1999 (Website). It is possible to read the advisory at xforce.iss.net. This vulnerability is uniquely identified as CVE-1999-0351. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 27177 (Multiple Vendor ftpd PASV Mode Data Channel Hijacking Vulnerability).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (3389) and Vulnerability Center (SBV-4922†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
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: Pizza Thief
Class: Denial of service / Pizza Thief
CWE: CWE-404
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/01/1999 🔍
02/01/1999 +0 days 🔍
02/01/1999 +0 days 🔍
08/02/2004 +2009 days 🔍
06/20/2014 +3609 days 🔍
04/18/2026 +4320 days 🔍

Sourcesinfo

Advisory: xforce.iss.net
Status: Confirmed

CVE: CVE-1999-0351 (🔍)
GCVE (CVE): GCVE-0-1999-0351
GCVE (VulDB): GCVE-100-14475
X-Force: 3389
Vulnerability Center: 4922 - FTP PASV Channel Hijacking, Medium

Entryinfo

Created: 06/20/2014 16:14
Updated: 04/18/2026 11:09
Changes: 06/20/2014 16:14 (37), 05/23/2019 16:57 (15), 10/26/2025 01:23 (20), 04/18/2026 11:09 (1)
Complete: 🔍
Cache ID: 216::103

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

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