CVE-2021-30638: Apache Tapestry ContextAssetRequestHandler Incorrect Authorization Information Disclosure Vulnerability
Information Exposure vulnerability in context asset handling of Apache Tapestry allows an attacker to download files inside WEB-INF if using a specially-constructed URL. This was caused by an incomplete fix for CVE-2020-13953. This issue affects Apache Tapestry Apache Tapestry 5.4.0 version to Apache Tapestry 5.6.3; Apache Tapestry 5.7.0 version and Apache Tapestry 5.7.1.
Other sources
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Apache Tapestry. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ContextAssetRequestHandler class. The issue results from the improper filtering of HTTP requests. An attacker can leverage this vulnerability to disclose information in the context of SYSTEM.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-30638?
The severity of CVE-2021-30638 is high with a CVSS score of 7.5.
Does CVE-2021-30638 require authentication to exploit?
Authentication is not required to exploit CVE-2021-30638.
Which software is affected by CVE-2021-30638?
CVE-2021-30638 affects Apache Tapestry versions between 5.4.0 to 5.6.4 and versions between 5.7.0 to 5.7.2.
How can remote attackers exploit CVE-2021-30638?
Remote attackers can exploit CVE-2021-30638 to disclose sensitive information on affected installations of Apache Tapestry.