CVE-2021-29425 Report - Details, Severity, & Advisories
Twingate Team
•
Jun 28, 2024
What is CVE-2021-29425?
CVE-2021-29425 is a vulnerability in Apache Commons IO library versions before 2.7. It involves the FilenameUtils.normalize method, which can lead to limited path traversal vulnerabilities. The severity is major. Systems using affected versions for file name sanitization, such as web applications and servers, are at risk.
Who is impacted by CVE-2021-29425?
Users of Apache Commons IO library versions 1.1 to 2.6 who use the FilenameUtils.normalize method for sanitizing user input and normalizing file paths are impacted. The vulnerability can allow limited path traversal, potentially granting unauthorized access to files in the parent directory.
What to do if CVE-2021-29425 affected you
If you're affected by the CVE-2021-29425 vulnerability, it's important to take action to protect your system. Here's a simple guide to help you:
Update to Apache Commons IO version 2.7, which has resolved the issue.
Review your code to ensure you're not using FilenameUtils.normalize for sanitizing user input in file paths.
Implement proper validation and sanitization of user input before using it in file paths.
Is this in CISA’s Known Exploited Vulnerabilities Catalog?
The CVE-2021-29425 vulnerability is not listed in CISA's Known Exploited Vulnerabilities Catalog. This issue, affecting the Apache Commons IO library, is related to improper input validation in the FileNameUtils.normalize method, which could lead to limited path traversal. It was published on April 13, 2021. To address this vulnerability, users should apply patches or updates as necessary to mitigate the associated risk.
Weakness Enumeration
The weakness enumeration for this vulnerability is categorized as CWE-22 (Path Traversal) and CWE-20 (Improper Input Validation), affecting the Apache Commons IO library.
Learn More
For a comprehensive understanding of this vulnerability, including its description, severity, technical details, and known affected software configurations, refer to the National Vulnerability Database page or the sources listed below.
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CVE-2021-29425 Report - Details, Severity, & Advisories
Twingate Team
•
Jun 28, 2024
What is CVE-2021-29425?
CVE-2021-29425 is a vulnerability in Apache Commons IO library versions before 2.7. It involves the FilenameUtils.normalize method, which can lead to limited path traversal vulnerabilities. The severity is major. Systems using affected versions for file name sanitization, such as web applications and servers, are at risk.
Who is impacted by CVE-2021-29425?
Users of Apache Commons IO library versions 1.1 to 2.6 who use the FilenameUtils.normalize method for sanitizing user input and normalizing file paths are impacted. The vulnerability can allow limited path traversal, potentially granting unauthorized access to files in the parent directory.
What to do if CVE-2021-29425 affected you
If you're affected by the CVE-2021-29425 vulnerability, it's important to take action to protect your system. Here's a simple guide to help you:
Update to Apache Commons IO version 2.7, which has resolved the issue.
Review your code to ensure you're not using FilenameUtils.normalize for sanitizing user input in file paths.
Implement proper validation and sanitization of user input before using it in file paths.
Is this in CISA’s Known Exploited Vulnerabilities Catalog?
The CVE-2021-29425 vulnerability is not listed in CISA's Known Exploited Vulnerabilities Catalog. This issue, affecting the Apache Commons IO library, is related to improper input validation in the FileNameUtils.normalize method, which could lead to limited path traversal. It was published on April 13, 2021. To address this vulnerability, users should apply patches or updates as necessary to mitigate the associated risk.
Weakness Enumeration
The weakness enumeration for this vulnerability is categorized as CWE-22 (Path Traversal) and CWE-20 (Improper Input Validation), affecting the Apache Commons IO library.
Learn More
For a comprehensive understanding of this vulnerability, including its description, severity, technical details, and known affected software configurations, refer to the National Vulnerability Database page or the sources listed below.
Rapidly implement a modern Zero Trust network that is more secure and maintainable than VPNs.
CVE-2021-29425 Report - Details, Severity, & Advisories
Twingate Team
•
Jun 28, 2024
What is CVE-2021-29425?
CVE-2021-29425 is a vulnerability in Apache Commons IO library versions before 2.7. It involves the FilenameUtils.normalize method, which can lead to limited path traversal vulnerabilities. The severity is major. Systems using affected versions for file name sanitization, such as web applications and servers, are at risk.
Who is impacted by CVE-2021-29425?
Users of Apache Commons IO library versions 1.1 to 2.6 who use the FilenameUtils.normalize method for sanitizing user input and normalizing file paths are impacted. The vulnerability can allow limited path traversal, potentially granting unauthorized access to files in the parent directory.
What to do if CVE-2021-29425 affected you
If you're affected by the CVE-2021-29425 vulnerability, it's important to take action to protect your system. Here's a simple guide to help you:
Update to Apache Commons IO version 2.7, which has resolved the issue.
Review your code to ensure you're not using FilenameUtils.normalize for sanitizing user input in file paths.
Implement proper validation and sanitization of user input before using it in file paths.
Is this in CISA’s Known Exploited Vulnerabilities Catalog?
The CVE-2021-29425 vulnerability is not listed in CISA's Known Exploited Vulnerabilities Catalog. This issue, affecting the Apache Commons IO library, is related to improper input validation in the FileNameUtils.normalize method, which could lead to limited path traversal. It was published on April 13, 2021. To address this vulnerability, users should apply patches or updates as necessary to mitigate the associated risk.
Weakness Enumeration
The weakness enumeration for this vulnerability is categorized as CWE-22 (Path Traversal) and CWE-20 (Improper Input Validation), affecting the Apache Commons IO library.
Learn More
For a comprehensive understanding of this vulnerability, including its description, severity, technical details, and known affected software configurations, refer to the National Vulnerability Database page or the sources listed below.
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