CVE-2021-22140

HIGH

Elastic App Search 7.11.0-7.11.9 - XML External Entity Injection via Web Crawler Sitemap Processing

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0038
EPSS Percentile 59.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-611
Status published
Products (1)
elastic/elastic_app_search 7.11.0 - 7.12.0
Published May 13, 2021
Tracked Since Feb 18, 2026