CVE-2021-22140

7.5 highEPSS 1.3%

High (7.5) in elastic elastic app search. EPSS 1.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

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

EPSS: 1.3% chance of exploitation in the next 30 days; higher than 69% of CVEs (scores of 2026-10-31)
CWE: CWE-611
Published: 2021-05-13
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

elastic:elastic_app_search

References

https://discuss.elastic.co/t/7-12-1-security-update/271433
https://discuss.elastic.co/t/7-12-1-security-update/271433

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