CVE-2021-44140

Name: CVE-2021-44140
Creator: NVD / NIST
Published: 2021-11-24T12:15:07.663+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 6.16%

Last modified Jun 17, 2026

CVE-2021-44140 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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.. EPSS estimates a 6.16% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

EPSS Probability

6.16%

92.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-276

Affected Software

Vendor	Product	Versions
Apache	Jspwiki	< 2.11.0

References

https://jspwiki-wiki.apache.org/Wiki.jsp?page=CVE-2021-44140Vendor Advisory
https://lists.apache.org/thread/5qglpjdhvobppx7j550lf1sk28f6011tMailing List, Vendor Advisory
https://jspwiki-wiki.apache.org/Wiki.jsp?page=CVE-2021-44140Vendor Advisory
https://lists.apache.org/thread/5qglpjdhvobppx7j550lf1sk28f6011tMailing List, Vendor Advisory

Timeline

Published: Nov 24, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-44140?

How severe is CVE-2021-44140?

CVE-2021-44140 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 6.16% probability of exploitation in the next 30 days.

How do I fix CVE-2021-44140?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-44140?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST