CVE-2021-22140
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductElastic App Search
PublishedMay 13, 2021
First seenMay 13, 2021
Weakness typeCWE-611XML external entity (XXE)
How to fix
Update
- elastic elastic_app_search7.12.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| elastic elastic_app_search | 7.11.0 ≤ v < 7.12.0 | 7.12.0 |
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