CVE-2021-44140: Arbitrary file deletion on logout
First published: Wed Nov 24 2021(Updated: )
Remote attackers may delete arbitrary files in a system hosting a JSPWiki instance, versions up to 2.11.0.M8, by using a carefuly crafted http request on logout, given that those files are reachable to the user running the JSPWiki instance. Apache JSPWiki users should upgrade to 2.11.0 or later.
Credit: security@apache.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apache JSPWiki | <2.11.0 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-44140?
CVE-2021-44140 is a vulnerability that allows remote attackers to delete arbitrary files in a system hosting a JSPWiki instance.
How does CVE-2021-44140 work?
Remote attackers can exploit this vulnerability by using a carefully crafted HTTP request on logout, given that the files are reachable to the user running the JSPWiki instance.
Which versions of JSPWiki are affected by CVE-2021-44140?
Versions up to 2.11.0.M8 of JSPWiki are affected by CVE-2021-44140.
What is the severity of CVE-2021-44140?
CVE-2021-44140 has a severity rating of 9.1, which is considered critical.
How can I fix CVE-2021-44140?
To fix CVE-2021-44140, Apache JSPWiki users should upgrade to version 2.11.0 or later.
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