CVE Vulnerability

CVE-2021-22140

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://discuss.elastic.co/t/7-12-1-security-update/271433 Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:elastic:elastic_app_search:*:*:*:*:*:*:*:*
Information

Published : 2021-05-13 06:15

Updated : 2021-05-21 06:09

NVD link : CVE-2021-22140

Mitre link : CVE-2021-22140

Products Affected
No products.
CWE
CWE-611

Improper Restriction of XML External Entity Reference