Tiny Personal Firewall 1.0 TCP Packet privileges management

CVSS Meta Temp Score
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CTI Interest Score
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3.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Tiny Personal Firewall 1.0 and classified as problematic. This issue affects some unknown processing of the component TCP Packet Handler. The manipulation results in privileges management. This vulnerability was named CVE-2001-1549. In addition, an exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Tiny Personal Firewall 1.0 (Firewall Software). Affected is an unknown code of the component TCP Packet Handler. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on integrity. CVE summarizes:

Tiny Personal Firewall 1.0 and 2.0 allows local users to bypass filtering via non-standard TCP packets created with non-Windows protocol adapters.

The weakness was presented 12/31/2001 (Website). The advisory is shared for download at archives.neohapsis.com. This vulnerability is traded as CVE-2001-1549 since 07/14/2005. The exploitability is told to be easy. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

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 (7671), Exploit-DB (21169) and SecurityFocus (BID 3647†). See VDB-17867 for similar entry. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.7

VulDB Base Score: 4.0
VulDB Temp Score: 3.7
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: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
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

12/06/2001 🔍
12/31/2001 +25 days 🔍
12/31/2001 +0 days 🔍
07/14/2005 +1291 days 🔍
07/11/2014 +3284 days 🔍
05/27/2025 +3973 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Status: Not defined

CVE: CVE-2001-1549 (🔍)
GCVE (CVE): GCVE-0-2001-1549
GCVE (VulDB): GCVE-100-17868
X-Force: 7671
SecurityFocus: 3647 - Multiple Personal Firewall Vendor Outbound Packet Bypass Vulnerability

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

Entryinfo

Created: 07/11/2014 13:31
Updated: 05/27/2025 22:34
Changes: 07/11/2014 13:31 (54), 04/11/2019 00:14 (1), 06/15/2024 18:12 (17), 05/27/2025 22:34 (6)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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