Common Weakness Enumeration

CWE-276

Allowed

Incorrect Default Permissions

Abstraction: Base · Status: Draft

API response cwe.mitre.org

During installation, installed file permissions are set to allow anyone to modify those files.

2035 vulnerabilities reference this CWE, most recent first.

CVE-2021-21910 (GCVE-0-2021-21910)

Vulnerability from cvelistv5 – Published: 2021-12-22 18:06 – Updated: 2024-08-03 18:30
VLAI
Summary
A privilege escalation vulnerability exists in the Windows version of installation for Advantech R-SeeNet Advantech R-SeeNet 2.4.15 (30.07.2021). A specially-crafted file can be replaced in the system to escalate privileges to NT SYSTEM authority. An attacker can provide a malicious file to trigger this vulnerability.
Severity
8.8 (High)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE
  • CWE-276 - Incorrect Default Permissions
Assigner
References
Impacted products
Vendor Product Version
n/a Advantech Affected: Advantech R-SeeNet Advantech R-SeeNet 2.4.15 (30.07.2021)
Show details on NVD website
To clipboard 

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CVE-2021-20269 (GCVE-0-2021-20269)

Vulnerability from cvelistv5 – Published: 2022-03-09 16:29 – Updated: 2024-08-03 17:37
VLAI
Summary
A flaw was found in the permissions of a log file created by kexec-tools. This flaw allows a local unprivileged user to read this file and leak kernel internal information from a previous panic. The highest threat from this vulnerability is to confidentiality. This flaw affects kexec-tools shipped by Fedora versions prior to 2.0.21-8 and RHEL versions prior to 2.0.20-47.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a kexec-tools Affected: Fedora kexec-tools versions prior to 2.0.21-8 and RHEL kexec-tools versions prior to 2.0.20-47
Show details on NVD website
To clipboard 

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CVE-2021-20037 (GCVE-0-2021-20037)

Vulnerability from cvelistv5 – Published: 2021-09-21 08:50 – Updated: 2024-08-03 17:30
VLAI
Summary
SonicWall Global VPN Client 4.10.5 installer (32-bit and 64-bit) incorrect default file permission vulnerability leads to privilege escalation which potentially allows command execution in the host operating system. This vulnerability impacts GVC 4.10.5 installer and earlier.
Severity
No CVSS data available.
CWE
  • CWE-276 - Incorrect Default Permissions
Assigner
References
Impacted products
Vendor Product Version
SonicWall SonicWall Global VPN Client Affected: Global VPN Client 4.10.5 and earlier
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2021-3981 (GCVE-0-2021-3981)

Vulnerability from cvelistv5 – Published: 2022-03-08 14:02 – Updated: 2025-02-13 16:28
VLAI
Summary
A flaw in grub2 was found where its configuration file, known as grub.cfg, is being created with the wrong permission set allowing non privileged users to read its content. This represents a low severity confidentiality issue, as those users can eventually read any encrypted passwords present in grub.cfg. This flaw affects grub2 2.06 and previous versions. This issue has been fixed in grub upstream but no version with the fix is currently released.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a grub2 Affected: grub2 2.06 and previous versions
Show details on NVD website
To clipboard 

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CVE-2021-3948 (GCVE-0-2021-3948)

Vulnerability from cvelistv5 – Published: 2022-02-18 00:00 – Updated: 2024-08-03 17:09
VLAI
Summary
An incorrect default permissions vulnerability was found in the mig-controller. Due to an incorrect cluster namespaces handling an attacker may be able to migrate a malicious workload to the target cluster, impacting confidentiality, integrity, and availability of the services located on that cluster.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a mig-controller Affected: konveyor/mig-controller release-1.5.2, konveyor/mig-controller release-1.6.3
Show details on NVD website
To clipboard 

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CVE-2021-3917 (GCVE-0-2021-3917)

Vulnerability from cvelistv5 – Published: 2022-08-23 19:03 – Updated: 2024-08-03 17:09
VLAI
Summary
A flaw was found in the coreos-installer, where it writes the Ignition config to the target system with world-readable access permissions. This flaw allows a local attacker to have read access to potentially sensitive data. The highest threat from this vulnerability is to confidentiality.
Severity
No CVSS data available.
CWE
  • CWE-276 - - Incorrect Default Permissions
Assigner
References
Impacted products
Vendor Product Version
n/a coreos-installer Affected: Fixed in coreos-installer 0.10.0
Show details on NVD website
To clipboard 

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CVE-2021-3722 (GCVE-0-2021-3722)

Vulnerability from cvelistv5 – Published: 2022-04-22 20:30 – Updated: 2024-08-03 17:01
VLAI
Summary
A denial of service vulnerability was reported in Lenovo PCManager prior to version 4.0.40.2175 that could allow configuration files to be written to non-standard locations during installation.
Severity
5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
CWE
  • CWE-276 - Incorrect Default Permissions
Assigner
References
Impacted products
Vendor Product Version
Lenovo PCManager Affected: unspecified , < 4.0.40.2175 (custom)
Create a notification for this product.
Credits
Lenovo thanks She ZhenHua for reporting this issue.
Show details on NVD website
To clipboard 

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CVE-2021-3720 (GCVE-0-2021-3720)

Vulnerability from cvelistv5 – Published: 2021-11-12 22:05 – Updated: 2024-08-03 17:01
VLAI
Summary
An information disclosure vulnerability was reported in the Time Weather system widget on Legion Phone Pro (L79031) and Legion Phone2 Pro (L70081) that could allow other applications to access device GPS data.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-276 - Incorrect Default Permissions
Assigner
References
Impacted products
Vendor Product Version
Lenovo Legion Phone Pro (L79031) Affected: unspecified , < 12.5.231 (custom)
Create a notification for this product.
Lenovo Legion Phone2 Pro (L70081) Affected: unspecified , < 12.5.632 (custom)
Create a notification for this product.
Credits
Lenovo thanks Xiaofeng Liu (Shandong University) and Qinsheng Hou (Shandong University & Qi An Xin Group Corp.) for reporting this issue.
Show details on NVD website
To clipboard 

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CVE-2021-3701 (GCVE-0-2021-3701)

Vulnerability from cvelistv5 – Published: 2022-08-23 15:50 – Updated: 2024-08-03 17:01
VLAI
Summary
A flaw was found in ansible-runner where the default temporary files configuration in ansible-2.0.0 are written to world R/W locations. This flaw allows an attacker to pre-create the directory, resulting in reading private information or forcing ansible-runner to write files as the legitimate user in a place they did not expect. The highest threat from this vulnerability is to confidentiality and integrity.
Severity
No CVSS data available.
CWE
  • CWE-276 - - Incorrect Default Permissions
Assigner
References
Impacted products
Vendor Product Version
n/a ansible-runner Affected: Affects ansible-runner 2.0
Show details on NVD website
To clipboard 

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CVE-2021-3579 (GCVE-0-2021-3579)

Vulnerability from cvelistv5 – Published: 2021-10-28 13:50 – Updated: 2024-09-16 23:50
VLAI
Title
Incorrect Default Permissions vulnerability in bdservicehost.exe and Vulnerability.Scan.exe
Summary
Incorrect Default Permissions vulnerability in the bdservicehost.exe and Vulnerability.Scan.exe components as used in Bitdefender Endpoint Security Tools for Windows, Total Security allows a local attacker to elevate privileges to NT AUTHORITY\SYSTEM This issue affects: Bitdefender Endpoint Security Tools for Windows versions prior to 7.2.1.65. Bitdefender Total Security versions prior to 7.2.1.65.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-276 - Incorrect Default Permissions
Assigner
References
Impacted products
Vendor Product Version
Bitdefender ENdpoint Security Tools for Windows Affected: unspecified , < 7.2.1.65 (custom)
Create a notification for this product.
Bitdefender Total Security Affected: unspecified , < 7.2.1.65 (custom)
Create a notification for this product.
Date Public
2021-10-12 00:00
Credits
Michael DePlante of Trend Micro Zero Day Initiative
Show details on NVD website
To clipboard 

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Mitigation MIT-1
Architecture and Design Operation

The architecture needs to access and modification attributes for files to only those users who actually require those actions.

Mitigation MIT-46
Architecture and Design

Strategy: Separation of Privilege

  • Compartmentalize the system to have "safe" areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area.
  • Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.
CAPEC-1: Accessing Functionality Not Properly Constrained by ACLs

In applications, particularly web applications, access to functionality is mitigated by an authorization framework. This framework maps Access Control Lists (ACLs) to elements of the application's functionality; particularly URL's for web apps. In the case that the administrator failed to specify an ACL for a particular element, an attacker may be able to access it with impunity. An attacker with the ability to access functionality not properly constrained by ACLs can obtain sensitive information and possibly compromise the entire application. Such an attacker can access resources that must be available only to users at a higher privilege level, can access management sections of the application, or can run queries for data that they otherwise not supposed to.

CAPEC-127: Directory Indexing

An adversary crafts a request to a target that results in the target listing/indexing the content of a directory as output. One common method of triggering directory contents as output is to construct a request containing a path that terminates in a directory name rather than a file name since many applications are configured to provide a list of the directory's contents when such a request is received. An adversary can use this to explore the directory tree on a target as well as learn the names of files. This can often end up revealing test files, backup files, temporary files, hidden files, configuration files, user accounts, script contents, as well as naming conventions, all of which can be used by an attacker to mount additional attacks.

CAPEC-81: Web Server Logs Tampering

Web Logs Tampering attacks involve an attacker injecting, deleting or otherwise tampering with the contents of web logs typically for the purposes of masking other malicious behavior. Additionally, writing malicious data to log files may target jobs, filters, reports, and other agents that process the logs in an asynchronous attack pattern. This pattern of attack is similar to "Log Injection-Tampering-Forging" except that in this case, the attack is targeting the logs of the web server and not the application.

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