CVEvulnerability
CVE-2021-22140
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-05-13
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-611
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.
Affected configurations
• elastic elastic app search (>= 7.11.0 < 7.12.0)
Related
Weakness · CWE (1)
- CWE-611 Improper Restriction of XML External Entity Reference weakness
References
- https://discuss.elastic.co/t/7-12-1-security-update/271433 Vendor Advisory
- https://discuss.elastic.co/t/7-12-1-security-update/271433 Vendor Advisory