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Vulnerability record · CVE-2021-44140 · published 24 November 2021

CVE-2021-44140: Apache jspwiki incorrect default permissions vulnerability

Apache · Jspwiki

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.

9.1 CVSS 3.1 Critical EPSS 6.4% · top 6.6% CWE-276 · Incorrect default permissions
9.1CVSS 3.1 base score, v2 6.4
6.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-44140), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.