CVE-2021-29425 vulnerability in Apache and Other Products
Published on April 13, 2021
Possible limited path traversal vulnerabily in Apache Commons IO
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.
Weakness Type
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Products Associated with CVE-2021-29425
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Affected Versions
Apache Software Foundation Apache Commons IO:- Version Apache Commons IO 2.2 is affected.
- Version Apache Commons IO 2.3 is affected.
- Version Apache Commons IO 2.4 is affected.
- Version Apache Commons IO 2.5 is affected.
- Version Apache Commons IO 2.6 is affected.
Exploit Probability
EPSS
0.61%
Percentile
69.20%
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.