CVE-2021-44140 Arbitrary file deletion on logout
Remote attackers can delete arbitrary files on the server via a crafted logout request in Apache JSPWiki.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-44140?
CVE-2021-44140 is a critical path traversal vulnerability in Apache JSPWiki, published on 24 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-276
Which versions are affected by CVE-2021-44140?
2 open source packages ship an affected version, including org.apache.jspwiki:jspwiki-main. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.jspwiki:jspwiki-main Maven | All versions | 2.11.0 |
org.apache.jspwiki:jspwiki-main Maven | All versions | 2.11.0 |
Products include Apache Jspwiki.
How do I fix CVE-2021-44140?
Upgrade org.apache.jspwiki:jspwiki-main to 2.11.0 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2021-44140 being exploited?
There is no known exploitation of CVE-2021-44140 in the wild and no public exploit code.
Other vulnerabilities in Apache JSPWiki
- CVE-2026-28812 Apache JSPWiki: UserManager does not sanity-check user database at startup
- CVE-2026-28813 Apache JSPWiki: JSPWiki vulnerable to JSON hijacking
- CVE-2022-34158 User Group Privilege Escalation
- CVE-2022-24947 Apache JSPWiki CSRF Account Takeover
- CVE-2026-28811 Apache JSPWiki: Error Handling - Reveals Error Details
Sources
Also known as GHSA-8gw6-w5rw-4g5c.