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CVE-2021-29425— Possible limited path traversal vulnerabily in Apache Commons IO

EPSS 0.48% · P65
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I. Basic Information for CVE-2021-29425

Vulnerability Information
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Vulnerability Title
Possible limited path traversal vulnerabily in Apache Commons IO
Source: NVD (National Vulnerability Database)
Vulnerability Description
In Apache Commons IO before 2.7, When invoking the method FileNameUtils.normalize with an improper input string, like "//../foo", or "\\..\foo", the result would be the same value, thus possibly providing access to files in the parent directory, but not further above (thus "limited" path traversal), if the calling code would use the result to construct a path value.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Apache Commons IO 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Commons IO是美国阿帕奇（Apache）基金会的一个应用程序。提供一个帮助开发IO功能。 Apache Commons IO 2.2版本至2.6版本存在路径遍历漏洞，该漏洞源于当使用不正确的输入字符串（例如“ //../foo”或“ .. foo”）调用FileNameUtils.normalize方法时，则可能会提供对父目录中文件的访问权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
Apache Software FoundationApache Commons IO Apache Commons IO 2.2 -

II. Public POCs for CVE-2021-29425

#POC DescriptionSource LinkShenlong Link
1Nonehttps://github.com/arsalanraja987/java-cve-2021-29425-tika-xxePOC Details
2Nonehttps://github.com/shoucheng3/asf__commons-io_CVE-2021-29425_2-6POC Details
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III. Intelligence Information for CVE-2021-29425

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Same Patch Batch · Apache Software Foundation · 2021-04-13 · 4 CVEs total

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CVE-2021-29943Apache Solr Unprivileged users may be able to perform unauthorized read/write to collectio

IV. Related Vulnerabilities

Same product: Apache Commons IO
Same vendor: Apache Software Foundation
Same weakness: CWE-20

V. Comments for CVE-2021-29425

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