MoinMo MoinMoin up to 1.8.2 Access Restriction access control

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in MoinMo MoinMoin up to 1.8.2. Affected by this issue is some unknown functionality of the component Access Restriction. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2009-4762. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in MoinMo MoinMoin up to 1.8.2 (Content Management System). This issue affects an unknown code of the component Access Restriction. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

MoinMoin 1.7.x before 1.7.3 and 1.8.x before 1.8.3 checks parent ACLs in certain inappropriate circumstances during processing of hierarchical ACLs, which allows remote attackers to bypass intended access restrictions by requesting an item, a different vulnerability than CVE-2008-6603.

The weakness was disclosed 03/29/2010 (Website). It is possible to read the advisory at hg.moinmo.in. The identification of this vulnerability is CVE-2009-4762 since 03/29/2010. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 45056 (Debian DSA-2014-1 : moin - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 12491 (MoinMoin Security Bypass Vulnerability).

Upgrading to version 1.7.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (45056), SecurityFocus (BID 35277†), Secunia (SA39887†) and Vulnerability Center (SBV-25833†). The entry VDB-51996 is pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
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: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 45056
Nessus Name: Debian DSA-2014-1 : moin - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 840436
OpenVAS Name: Ubuntu Update for moin vulnerability USN-941-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: MoinMoin 1.7.1

Timelineinfo

06/10/2009 🔍
03/15/2010 +278 days 🔍
03/29/2010 +14 days 🔍
03/29/2010 +0 days 🔍
03/29/2010 +0 days 🔍
03/29/2010 +0 days 🔍
05/21/2010 +53 days 🔍
05/24/2010 +3 days 🔍
03/19/2015 +1760 days 🔍
05/03/2026 +4063 days 🔍

Sourcesinfo

Advisory: hg.moinmo.in
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-4762 (🔍)
GCVE (CVE): GCVE-0-2009-4762
GCVE (VulDB): GCVE-100-52427

OVAL: 🔍

SecurityFocus: 35277 - MoinMoin Hierarchical ACL Security Bypass Vulnerability
Secunia: 39887 - Ubuntu update for moin, Less Critical
Vulnerability Center: 25833 - MoinMoin Prior to 1.8.3 Remote Security Bypass Vulnerability via Hierarchical ACLs, High
Vupen: ADV-2010-0600

See also: 🔍

Entryinfo

Created: 03/19/2015 12:22
Updated: 05/03/2026 21:14
Changes: 03/19/2015 12:22 (63), 02/25/2017 10:14 (14), 09/06/2021 00:53 (3), 02/03/2025 07:54 (18), 05/03/2026 21:14 (1)
Complete: 🔍
Cache ID: 216::103

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

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