CVE-2021-22140

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

Elastic App Search versions after 7.11.0 and before 7.12.0 contain an XML External Entity Injection issue (XXE) in the App Search web crawler beta feature. Using this vector, an attacker whose website is being crawled by App Search could craft a malicious sitemap.xml to traverse the filesystem of the host running the instance and obtain sensitive files.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
May 13, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-221416.1An open redirect flaw was found in Kibana versions before 7.13.0 and 6.8.16. If a logged in user visits a maliciously crafted URL, it could CVE-2021-221428.8Kibana contains an embedded version of the Chromium browser that the Reporting feature uses to generate the downloadable reports. If a user CVE-2021-221434.3The Elastic APM .NET Agent can leak sensitive HTTP header information when logging the details during an application error. Normally, the APCVE-2021-221446.5In Elasticsearch versions before 7.13.3 and 6.8.17 an uncontrolled recursion vulnerability that could lead to a denial of service attack wasCVE-2021-221456.5A memory disclosure vulnerability was identified in Elasticsearch 7.10.0 to 7.13.3 error reporting. A user with the ability to submit arbitrCVE-2021-221467.5All versions of Elastic Cloud Enterprise has the Elasticsearch “anonymous” user enabled by default in deployed clusters. While in the defaulCVE-2021-221476.5Elasticsearch before 7.14.0 did not apply document and field level security to searchable snapshots. This could lead to an authenticated useCVE-2021-221488.8Elastic Enterprise Search App Search versions before 7.14.0 was vulnerable to an issue where API keys were not bound to the same engines as CVE-2021-221498.8Elastic Enterprise Search App Search versions before 7.14.0 are vulnerable to an issue where API keys were missing authorization via an alteCVE-2021-22154.9Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Stored Procedure). Supported versions that are affected are 8.CVE-2021-221507.2It was discovered that a user with Fleet admin permissions could upload a malicious package. Due to using an older version of the js-yaml liCVE-2021-221514.3It was discovered that Kibana was not validating a user supplied path, which would load .pbf files. Because of this, a malicious user could
CVE-2021-22140: High severity, CVSS 7.5 | Vulnix